Is Passster safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (4.3.20). As of 2026-11-04. 9 issues are on record for older versions; version 4.3.19 or newer fixes all of them that state a fix. Keep Passster on the latest version (4.3.20) and remove it if you do not use it.

Which versions of Passster are vulnerable?

Known issues on record (newest first): Missing authorization check (4.3.18 and older, fixed in 4.3.19); Missing authorization check (4.3.13 and older, fixed in 4.3.14); Missing authorization check (4.2.25 and older, fixed in 4.2.26); Stored cross-site scripting (XSS) (4.2.24 and older, fixed in 4.2.25); Information disclosure (4.2.19 and older, fixed in 4.2.20); Stored cross-site scripting (XSS) (4.2.18 and older, fixed in 4.2.19). The full list with sources is on this page.

What is the latest version of Passster?

4.3.20, according to wordpress.org (last updated 2026-10-23). It has 10,000+ active installs.

What should I do if my Passster is out of date?

Take a backup, then update it from Dashboard > Updates (or run wp plugin update content-protector). 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 · content-protector · data as of 2026-11-04

Is Passster safe? Known vulnerabilities and latest version

Latest version: 4.3.20
Last updated: 2026-10-23
Active installs: 10,000+
Known issues on record: 9
Unpatched in latest: 0
Tested up to WP: 7.1.4 · PHP 7.2+

Password Protect Pages, Posts & Content in WordPress — by WP Chill

What to do

Update to the latest version (4.3.20). Anything older than 4.3.19 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 content-protector --field=version shows what you run; wp plugin update content-protector updates it.

Check your version

Known vulnerabilities

9 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.

medium 5.3 CVE-2026-110896 · published 2026-10-16

Missing authorization check in Passster (4.3.18 and older)

Affected: 4.3.18 and older
Fixed in: 4.3.19
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 WP Chill Passster content-protector allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Passster: from n/a through 4.3.18.

NVD CVE-2026-110896 Patchstack advisory

medium 5.3 CVE-2026-62114 · published 2026-09-11

Missing authorization check in Passster (4.3.13 and older)

Affected: 4.3.13 and older
Fixed in: 4.3.14
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Unauthenticated Broken Access Control in Passster <= 4.3.13 versions.

NVD CVE-2026-62114 Patchstack advisory

medium 6.5 CVE-2026-25036 · published 2026-02-03

Missing authorization check in Passster (4.2.25 and older)

Affected: 4.2.25 and older
Fixed in: 4.2.26
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

NVD CVE-2026-25036 Patchstack advisory

medium 6.4 CVE-2025-14865 · published 2026-01-28

Stored cross-site scripting (XSS) in Passster (4.2.24 and older)

Affected: 4.2.24 and older
Fixed in: 4.2.25 *
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 Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'content_protector' shortcode in all versions up to, and including, 4.2.24. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The vulnerability was partially patched in version 4.2.21.

NVD CVE-2025-14865 Wordfence advisory Code change (fix)Plugin source

high 7.5 CVE-2025-64218 · published 2025-12-18

Information disclosure in Passster (4.2.19 and older)

Affected: 4.2.19 and older
Fixed in: 4.2.20
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 Sent Data vulnerability in WP Chill Passster content-protector allows Retrieve Embedded Sensitive Data.This issue affects Passster: from n/a through <= 4.2.19.

NVD CVE-2025-64218 Patchstack advisory

medium 6.5 CVE-2025-57926 · published 2025-09-22

Stored cross-site scripting (XSS) in Passster (4.2.18 and older)

Affected: 4.2.18 and older
Fixed in: 4.2.19
Access needed (per CVSS): Needs a low-level account (e.g. subscriber); 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 WP Chill Passster content-protector allows Stored XSS.This issue affects Passster: from n/a through <= 4.2.18.

NVD CVE-2025-57926 Patchstack advisory

high 7.5 CVE-2024-11282 · published 2025-01-07

Information disclosure in Passster (4.2.10 and older)

Affected: 4.2.10 and older
Fixed in: 4.2.11 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.2.10 via the WordPress core search feature. This makes it possible for unauthenticated attackers to extract sensitive data from posts that have been restricted to higher-level roles such as administrator.

NVD CVE-2024-11282 Wordfence advisory Code change (fix)

medium 5.4 CVE-2024-2026 · published 2024-04-09

Stored cross-site scripting (XSS) in Passster (4.2.6.4 and older)

Affected: 4.2.6.4 and older
Fixed in: 4.2.6.6 *
Access needed (per CVSS): Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Passster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's content_protector shortcode in all versions up to, and including, 4.2.6.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

NVD CVE-2024-2026 Wordfence advisory Code change (fix)Plugin source

medium 5.3 CVE-2024-0616 · published 2024-02-29

Information disclosure in Passster (4.2.6.2 and older)

Affected: 4.2.6.2 and older
Fixed in: 4.2.6.6 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.2.6.2 via API. This makes it possible for unauthenticated attackers to obtain post titles, slugs, IDs, content and other metadata including passwords of password-protected posts and pages.

NVD CVE-2024-0616 Wordfence advisory Code change (fix)

Recent activity

2026-10-23 — latest release on wordpress.org (4.3.20).
2026-10-16 — Missing authorization check disclosed (CVE-2026-110896), fixed in 4.3.19.
2026-09-11 — Missing authorization check disclosed (CVE-2026-62114), fixed in 4.3.14.
2026-02-03 — Missing authorization check disclosed (CVE-2026-25036), fixed in 4.2.26.

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

Browse vulnerabilities

Types found in this plugin: Missing authorization (3) · Cross-site scripting (XSS) (3) · Sensitive data exposure (3)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/content-protector (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/content-protector"><img src="https://laskyr.com/plugins/content-protector/badge.svg" alt="Passster vulnerability status"></a>

← Check another plugin · Free hacked-site scan

Is Passster safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (4.3.20)

What to do

Check your version

Known vulnerabilities

Missing authorization check in Passster (4.3.18 and older)

Missing authorization check in Passster (4.3.13 and older)

Missing authorization check in Passster (4.2.25 and older)

Stored cross-site scripting (XSS) in Passster (4.2.24 and older)

Information disclosure in Passster (4.2.19 and older)

Stored cross-site scripting (XSS) in Passster (4.2.18 and older)

Information disclosure in Passster (4.2.10 and older)

Stored cross-site scripting (XSS) in Passster (4.2.6.4 and older)

Information disclosure in Passster (4.2.6.2 and older)

Recent activity

Get an email when Passster has a new vulnerability

Browse vulnerabilities

Where this data comes from