Is PeproDev Ultimate Invoice safe to use?

Laskyr does not give safety verdicts. The latest version (2.2.6) has 4 known unpatched vulnerabilities. As of 2026-11-04, the sources we check list the newest release of PeproDev Ultimate Invoice as affected and name no fixed version yet. Keep PeproDev Ultimate Invoice on the latest version (2.2.6) and remove it if you do not use it.

Which versions of PeproDev Ultimate Invoice are vulnerable?

Known issues on record (newest first): Cross-site scripting (XSS) (2.2.6 and older); Server-side request forgery (SSRF) (2.2.6 and older); Missing authorization check (2.2.6 and older); Information disclosure (2.2.6 and older); Security issue (2.2.5 and older, fixed in 2.2.6); Missing authorization check (2.0.9 and older, fixed in 2.1.0). The full list with sources is on this page.

What is the latest version of PeproDev Ultimate Invoice?

2.2.6, according to wordpress.org (last updated 2026-03-08). It has 5,000+ active installs.

What should I do if my PeproDev Ultimate Invoice is out of date?

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

Is PeproDev Ultimate Invoice safe? Known vulnerabilities and latest version

Latest version: 2.2.6
Last updated: 2026-03-08
Active installs: 5,000+
Known issues on record: 9
Unpatched in latest: 4
Tested up to WP: 6.9.11 · PHP 7.4+

Advanced WooCommerce invoice plugin: create customizable HTML/PDF invoices, attach to emails, and let customers download styled invoices easily. — by Pepro Dev. Group

What to do

There is no fixed version yet. If you can live without PeproDev Ultimate Invoice for now, deactivate it and delete it until the developer ships a fix.
If you must keep it, limit who can log in (remove unused accounts, especially low-level ones) and put a web application firewall in front of the site.
Watch for an update: get an email when this page changes.
If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan, or have us clean it: Emergency Cleanup, $499.

With WP-CLI: wp plugin get pepro-ultimate-invoice --field=version shows what you run; wp plugin update pepro-ultimate-invoice 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.

high 7.1 affects latest 2.2.6 CVE-2026-65510 · published 2026-07-23

Cross-site scripting (XSS) in PeproDev Ultimate Invoice (2.2.6 and older)

Affected: 2.2.6 and older
Fixed in: no fix listed yet
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 PeproDev Ultimate Invoice <= 2.2.6 versions.

NVD CVE-2026-65510 Patchstack advisory

high 7.2 affects latest 2.2.6 CVE-2026-65516 · published 2026-07-23

Server-side request forgery (SSRF) in PeproDev Ultimate Invoice (2.2.6 and older)

Affected: 2.2.6 and older
Fixed in: no fix listed yet
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Unauthenticated Server Side Request Forgery (SSRF) in PeproDev Ultimate Invoice <= 2.2.6 versions.

NVD CVE-2026-65516 Patchstack advisory

medium 6.5 affects latest 2.2.6 CVE-2026-65499 · published 2026-07-23

Missing authorization check in PeproDev Ultimate Invoice (2.2.6 and older)

Affected: 2.2.6 and older
Fixed in: no fix listed yet
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 PeproDev Ultimate Invoice <= 2.2.6 versions.

NVD CVE-2026-65499 Patchstack advisory

medium 6.5 affects latest 2.2.6 CVE-2026-27372 · published 2026-07-23

Information disclosure in PeproDev Ultimate Invoice (2.2.6 and older)

Affected: 2.2.6 and older
Fixed in: no fix listed yet
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 Sensitive Data Exposure in PeproDev Ultimate Invoice <= 2.2.6 versions.

NVD CVE-2026-27372 Patchstack advisory

medium 5.3 CVE-2026-2343 · published 2026-03-25

Security issue in PeproDev Ultimate Invoice (2.2.5 and older)

Affected: 2.2.5 and older
Fixed in: 2.2.6 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by CISA ADP

Details from the advisory

The PeproDev Ultimate Invoice WordPress plugin through 2.2.5 has a bulk download invoices action that generates ZIP archives containing exported invoice PDFs. The ZIP files are named predictably making it possible to brute force and retreive PII.

NVD CVE-2026-2343 WPScan advisory

medium 5.3 CVE-2024-13719 · published 2025-02-19

Missing authorization check in PeproDev Ultimate Invoice (2.0.9 and older)

Affected: 2.0.9 and older
Fixed in: 2.1.0 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The PeproDev Ultimate Invoice plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.9 via the invoicing viewer due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to view invoices for completed orders which can contain PII of users.

NVD CVE-2024-13719 Wordfence advisory Code change (fix)wordpress.org

medium 6.5 CVE-2024-49298 · published 2024-10-17

Stored cross-site scripting (XSS) in PeproDev Ultimate Invoice (2.0.6 and older)

Affected: 2.0.6 and older
Fixed in: 2.0.7
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 Pepro Dev. Group PeproDev Ultimate Invoice pepro-ultimate-invoice allows Stored XSS.This issue affects PeproDev Ultimate Invoice: from n/a through <= 2.0.6.

NVD CVE-2024-49298 Patchstack advisory

medium 5.3 CVE-2024-32518 · published 2024-04-17

Missing authorization check in PeproDev Ultimate Invoice (2.0.0 and older)

Affected: 2.0.0 and older
Fixed in: 2.0.7 *
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 Pepro Dev. Group PeproDev Ultimate Invoice.This issue affects PeproDev Ultimate Invoice: from n/a through 2.0.0.

NVD CVE-2024-32518 Patchstack advisory

high 7.5 CVE-2024-25933 · published 2024-03-17

Information disclosure in PeproDev Ultimate Invoice (1.9.7 and older)

Affected: 1.9.7 and older
Fixed in: 2.0.7 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Pepro Dev. Group PeproDev Ultimate Invoice.This issue affects PeproDev Ultimate Invoice: from n/a through 1.9.7.

NVD CVE-2024-25933 Patchstack advisory

Recent activity

2026-03-08 — latest release on wordpress.org (2.2.6).
2026-07-23 — Cross-site scripting (XSS) disclosed (CVE-2026-65510), no fix listed yet.
2026-07-23 — Server-side request forgery (SSRF) disclosed (CVE-2026-65516), no fix listed yet.
2026-07-23 — Missing authorization check disclosed (CVE-2026-65499), no fix listed yet.

Free. We check the CVE feeds every day and email you only when a new issue for PeproDev Ultimate Invoice (pepro-ultimate-invoice) is published or a fix ships. Unsubscribe in one click.

Browse vulnerabilities

Types found in this plugin: Missing authorization (3) · Cross-site scripting (XSS) (2) · Sensitive data exposure (2) · Server-side request forgery (SSRF) (1)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/pepro-ultimate-invoice (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/pepro-ultimate-invoice"><img src="https://laskyr.com/plugins/pepro-ultimate-invoice/badge.svg" alt="PeproDev Ultimate Invoice vulnerability status"></a>

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Is PeproDev Ultimate Invoice safe? Known vulnerabilities and latest version

The latest version (2.2.6) has 4 known unpatched vulnerabilities

What to do

Check your version

Known vulnerabilities

Cross-site scripting (XSS) in PeproDev Ultimate Invoice (2.2.6 and older)

Server-side request forgery (SSRF) in PeproDev Ultimate Invoice (2.2.6 and older)

Missing authorization check in PeproDev Ultimate Invoice (2.2.6 and older)

Information disclosure in PeproDev Ultimate Invoice (2.2.6 and older)

Security issue in PeproDev Ultimate Invoice (2.2.5 and older)

Missing authorization check in PeproDev Ultimate Invoice (2.0.9 and older)

Stored cross-site scripting (XSS) in PeproDev Ultimate Invoice (2.0.6 and older)

Missing authorization check in PeproDev Ultimate Invoice (2.0.0 and older)

Information disclosure in PeproDev Ultimate Invoice (1.9.7 and older)

Recent activity

Get an email when PeproDev Ultimate Invoice has a new vulnerability

Browse vulnerabilities

Where this data comes from