Is Link Whisper Free safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (0.9.8). As of 2026-11-04. 18 issues are on record for older versions; version 0.9.8 or newer fixes all of them that state a fix. Keep Link Whisper Free on the latest version (0.9.8) and remove it if you do not use it.

Which versions of Link Whisper Free are vulnerable?

Known issues on record (newest first): Reflected cross-site scripting (XSS) (0.9.7 and older, fixed in 0.9.8); PHP object injection (0.9.7 and older, fixed in 0.9.8); SQL injection (0.9.7 and older, fixed in 0.9.8); SQL injection (older than 0.9.7, fixed in 0.9.7); Cross-site scripting (XSS) (0.9.4 and older, fixed in 0.9.5); Stored cross-site scripting (XSS) (0.9.0 and older, fixed in 0.9.1). The full list with sources is on this page.

What is the latest version of Link Whisper Free?

0.9.8, according to wordpress.org (last updated 2026-10-13). It has 30,000+ active installs.

What should I do if my Link Whisper Free is out of date?

Take a backup, then update it from Dashboard > Updates (or run wp plugin update link-whisper). If you cannot update right away, deactivate it until you can. If you think the site was already attacked, run a free scan at https://laskyr.com/scan.

Plugins · link-whisper · data as of 2026-11-04

Is Link Whisper Free safe? Known vulnerabilities and latest version

Latest version: 0.9.8
Last updated: 2026-10-13
Active installs: 30,000+
Known issues on record: 18
Unpatched in latest: 0
Tested up to WP: 7.1.4 · PHP 7.4+

The AI-powered internal linking plugin for WordPress. Build internal links faster, find linking opportunities, and improve SEO automatically. — by Spencer Haws

What to do

Update to the latest version (0.9.8). Anything older than 0.9.8 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
If you cannot update right away, deactivate it until you can.
Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.

With WP-CLI: wp plugin get link-whisper --field=version shows what you run; wp plugin update link-whisper updates it.

Check your version

Known vulnerabilities

18 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.

high 7.1 CVE-2026-109685 · published 2026-10-15

Reflected cross-site scripting (XSS) in Link Whisper Free (0.9.7 and older)

Affected: 0.9.7 and older
Fixed in: 0.9.8
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Link Whisper INC Link Whisper Free link-whisper allows Reflected XSS.This issue affects Link Whisper Free: from n/a through 0.9.7.

NVD CVE-2026-109685 Patchstack advisory

critical 9.8 CVE-2026-109686 · published 2026-10-15

PHP object injection in Link Whisper Free (0.9.7 and older)

Affected: 0.9.7 and older
Fixed in: 0.9.8
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Deserialization of Untrusted Data vulnerability in Link Whisper INC Link Whisper Free link-whisper allows Object Injection.This issue affects Link Whisper Free: from n/a through 0.9.7.

NVD CVE-2026-109686 Patchstack advisory

critical 9.3 CVE-2026-109688 · published 2026-10-15

SQL injection in Link Whisper Free (0.9.7 and older)

Affected: 0.9.7 and older
Fixed in: 0.9.8
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Link Whisper INC Link Whisper Free link-whisper allows Blind SQL Injection.This issue affects Link Whisper Free: from n/a through 0.9.7.

NVD CVE-2026-109688 Patchstack advisory

high 7.6 CVE-2026-109687 · published 2026-10-13

SQL injection in Link Whisper Free (0.9.7 and older)

Affected: 0.9.7 and older
Fixed in: 0.9.8
Access needed (per CVSS): Needs an admin-level account
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

NVD CVE-2026-109687 Patchstack advisory

medium 6.8 CVE-2026-14601 · published 2026-08-21

SQL injection in Link Whisper Free (older than 0.9.7)

Affected: older than 0.9.7
Fixed in: 0.9.7
Access needed (per CVSS): Needs an admin-level account
Range from: CVE record (the advisory publisher) · score by CISA ADP

Details from the advisory

The Link Whisper Free WordPress plugin before 0.9.7 does not properly sanitize and escape a parameter before using it in a SQL query, allowing authenticated users with the Editor role or above to perform SQL injection attacks.

NVD CVE-2026-14601 WPScan advisory

high 7.1 CVE-2026-57333 · published 2026-06-29

Cross-site scripting (XSS) in Link Whisper Free (0.9.4 and older)

Affected: 0.9.4 and older
Fixed in: 0.9.5
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Unauthenticated Cross Site Scripting (XSS) in Link Whisper Free <= 0.9.4 versions.

NVD CVE-2026-57333 Patchstack advisory

high 7.2 CVE-2025-11262 · published 2026-05-29

Stored cross-site scripting (XSS) in Link Whisper Free (0.9.0 and older)

Affected: 0.9.0 and older
Fixed in: 0.9.1 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Wordfence

Details from the advisory

The Link Whisper Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user_id parameter in all versions up to, and including, 0.9.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

NVD CVE-2025-11262 Wordfence advisory wordpress.org Plugin source

medium 6.5 CVE-2026-1900 · published 2026-04-07

Authentication bypass in Link Whisper Free (older than 0.9.1)

Affected: older than 0.9.1
Fixed in: 0.9.1
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by CISA ADP

Details from the advisory

The Link Whisper Free WordPress plugin before 0.9.1 has a publicly accessible REST endpoint that allows unauthenticated settings updates.

NVD CVE-2026-1900 WPScan advisory

high 7.1 CVE-2026-22357 · published 2026-02-20

Reflected cross-site scripting (XSS) in Link Whisper Free (0.9.2 and older)

Affected: 0.9.2 and older
Fixed in: 0.9.3 *
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Spencer Haws Link Whisper Free link-whisper allows Reflected XSS.This issue affects Link Whisper Free: from n/a through <= 0.9.2.

NVD CVE-2026-22357 Patchstack advisory

high 7.1 CVE-2025-67927 · published 2026-01-08

Reflected cross-site scripting (XSS) in Link Whisper Free (0.8.8 and older)

Affected: 0.8.8 and older
Fixed in: 0.8.9
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

NVD CVE-2025-67927 Patchstack advisory

medium 6.1 CVE-2025-11263 · published 2025-12-06

Reflected cross-site scripting (XSS) in Link Whisper Free (0.8.8 and older)

Affected: 0.8.8 and older
Fixed in: 0.8.9 *
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Wordfence

Details from the advisory

The Link Whisper Free plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the type parameter in all versions up to, and including, 0.8.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

NVD CVE-2025-11263 Wordfence advisory Code change (fix)

medium 5.3 CVE-2025-62970 · published 2025-10-27

Missing authorization check in Link Whisper Free (0.9.2 and older)

Affected: 0.9.2 and older
Fixed in: 0.9.3 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Missing Authorization vulnerability in Spencer Haws Link Whisper Free link-whisper allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Link Whisper Free: from n/a through <= 0.9.2.

NVD CVE-2025-62970 Patchstack advisory

medium 5.3 CVE-2025-22306 · published 2025-01-07

Information disclosure in Link Whisper Free (0.7.7 and older)

Affected: 0.7.7 and older
Fixed in: 0.7.9
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Insertion of Sensitive Information into Externally-Accessible File or Directory vulnerability in Spencer Haws Link Whisper Free link-whisper.This issue affects Link Whisper Free: from n/a through <= 0.7.7.

NVD CVE-2025-22306 Patchstack advisory

medium 6.5 CVE-2023-32506 · published 2024-12-13

Missing authorization check in Link Whisper Free (0.6.3 and older)

Affected: 0.6.3 and older
Fixed in: 0.6.4
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Missing Authorization vulnerability in Link Whisper Link Whisper Free allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Link Whisper Free: from n/a through 0.6.3.

NVD CVE-2023-32506 Patchstack advisory

medium 4.3 CVE-2024-31934 · published 2024-04-11

Cross-site request forgery (CSRF) in Link Whisper Free (0.6.9 and older)

Affected: 0.6.9 and older
Fixed in: 0.7.0
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Cross-Site Request Forgery (CSRF) vulnerability in Link Whisper Link Whisper Free.This issue affects Link Whisper Free: from n/a through 0.6.9.

NVD CVE-2024-31934 Patchstack advisory

high 7.1 CVE-2024-27992 · published 2024-04-11

Reflected cross-site scripting (XSS) in Link Whisper Free (0.6.8 and older)

Affected: 0.6.8 and older
Fixed in: 0.6.9
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Link Whisper Link Whisper Free allows Reflected XSS.This issue affects Link Whisper Free: from n/a through 0.6.8.

NVD CVE-2024-27992 Patchstack advisory

high 8.8 CVE-2024-2693 · published 2024-04-09

PHP object injection in Link Whisper Free (0.7.1 and older)

Affected: 0.7.1 and older
Fixed in: 0.7.2 *
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by Wordfence

Details from the advisory

The Link Whisper Free plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 0.7.1 via deserialization of untrusted input of the 'mfn-page-items' post meta value. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

NVD CVE-2024-2693 Wordfence advisory Code change (fix)

high 7.2 CVE-2023-47852 · published 2023-12-20

SQL injection in Link Whisper Free (0.6.5 and older)

Affected: 0.6.5 and older
Fixed in: 0.6.6
Access needed (per CVSS): Needs an admin-level account
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Link Whisper Link Whisper Free.This issue affects Link Whisper Free: from n/a through 0.6.5.

NVD CVE-2023-47852 Patchstack advisory

Recent activity

2026-10-13 — latest release on wordpress.org (0.9.8).
2026-10-15 — Reflected cross-site scripting (XSS) disclosed (CVE-2026-109685), fixed in 0.9.8.
2026-10-15 — PHP object injection disclosed (CVE-2026-109686), fixed in 0.9.8.
2026-10-15 — SQL injection disclosed (CVE-2026-109688), fixed in 0.9.8.

Free. We check the CVE feeds every day and email you only when a new issue for Link Whisper Free (link-whisper) is published or a fix ships. Unsubscribe in one click.

Browse vulnerabilities

Types found in this plugin: Cross-site scripting (XSS) (7) · SQL injection (4) · PHP object injection (2) · Missing authorization (2) · Authentication bypass (1) · Sensitive data exposure (1) · Cross-site request forgery (CSRF) (1)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/link-whisper (Plugins API), fetched 2026-11-04.
Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.

Badge for your site or docs (states facts with a date, not a verdict):

<a href="https://laskyr.com/plugins/link-whisper"><img src="https://laskyr.com/plugins/link-whisper/badge.svg" alt="Link Whisper Free vulnerability status"></a>

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Is Link Whisper Free safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (0.9.8)

What to do

Check your version

Known vulnerabilities

Reflected cross-site scripting (XSS) in Link Whisper Free (0.9.7 and older)

PHP object injection in Link Whisper Free (0.9.7 and older)

SQL injection in Link Whisper Free (0.9.7 and older)

SQL injection in Link Whisper Free (0.9.7 and older)

SQL injection in Link Whisper Free (older than 0.9.7)

Cross-site scripting (XSS) in Link Whisper Free (0.9.4 and older)

Stored cross-site scripting (XSS) in Link Whisper Free (0.9.0 and older)

Authentication bypass in Link Whisper Free (older than 0.9.1)

Reflected cross-site scripting (XSS) in Link Whisper Free (0.9.2 and older)

Reflected cross-site scripting (XSS) in Link Whisper Free (0.8.8 and older)

Reflected cross-site scripting (XSS) in Link Whisper Free (0.8.8 and older)

Missing authorization check in Link Whisper Free (0.9.2 and older)

Information disclosure in Link Whisper Free (0.7.7 and older)

Missing authorization check in Link Whisper Free (0.6.3 and older)

Cross-site request forgery (CSRF) in Link Whisper Free (0.6.9 and older)

Reflected cross-site scripting (XSS) in Link Whisper Free (0.6.8 and older)

PHP object injection in Link Whisper Free (0.7.1 and older)

SQL injection in Link Whisper Free (0.6.5 and older)

Recent activity

Get an email when Link Whisper Free has a new vulnerability

Browse vulnerabilities

Where this data comes from