CVE-2024-28108 phpMyFAQ Stored HTML Injection at contentLink

What is CVE-2024-28108?

CVE-2024-28108 is a medium-severity cross-site scripting vulnerability in Phpmyfaq Phpmyfaq, published on 25 Mar 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

phpMyFAQ is an open source FAQ web application for PHP 8.1+ and MySQL, PostgreSQL and other databases. Due to insufficient validation on the `contentLink` parameter, it is possible for unauthenticated users to inject HTML code to the page which might affect other users. _Also, requires that adding new FAQs is allowed for guests and that the admin doesn't check the content of a newly added FAQ._ This vulnerability is fixed in 3.2.6.

Weakness: CWE-80, CWE-79

Which versions are affected by CVE-2024-28108?

2 open source packages ship an affected version, including phpmyfaq/phpmyfaq. It affects 1 product.

Products include Phpmyfaq Phpmyfaq.

How do I fix CVE-2024-28108?

Upgrade phpmyfaq/phpmyfaq to 3.2.6 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-28108 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-28108 exists.

Other vulnerabilities in Phpmyfaq Phpmyfaq

• CVE-2023-0310 Cross-site Scripting (XSS) - Stored in thorsten/phpmyfaq Critical 9.8
• CVE-2022-4407 Cross-site Scripting (XSS) - Reflected in thorsten/phpmyfaq Critical 9.8
• CVE-2017-11187 Security feature bypass in n/a Critical 9.8
• CVE-2026-76213 phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped Throttle Critical 9.1
• CVE-2026-76214 phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge Critical 9.1

All Phpmyfaq Phpmyfaq vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-48vw-jpf8-hwqh.