CVE-2024-27300 phpMyFAQ Stored XSS at user email

Medium 5.5 Published Updated

An attacker can execute arbitrary JavaScript in another user's session via stored XSS in the email field, potentially leading to account takeover.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-27300?

CVE-2024-27300 is a medium-severity cross-site scripting vulnerability in Phpmyfaq Phpmyfaq, published on 25 Mar 2024. Any signed-in user can exploit it over the network, 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. The `email` field in phpMyFAQ's user control panel page is vulnerable to stored XSS attacks due to the inadequacy of PHP's `FILTER_VALIDATE_EMAIL` function, which only validates the email format, not its content. This vulnerability enables an attacker to execute arbitrary client-side JavaScript within the context of another user's phpMyFAQ session. This vulnerability is fixed in 3.2.6.

Weakness: CWE-79

Which versions are affected by CVE-2024-27300?

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

PackageAffectedFixed in
phpmyfaq/phpmyfaq PackagistFrom 3.2.53.2.6
phpmyfaq/phpmyfaq PackagistFrom 3.2.53.2.6

Products include Phpmyfaq Phpmyfaq.

How do I fix CVE-2024-27300?

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-2024-27300 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-27300 exists.

All Phpmyfaq Phpmyfaq vulnerabilities

Sources

Also known as GHSA-q7g6-xfh2-vhpx.

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