CVE-2024-28108: phpmyfaq XSS — Exploit & Fix

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.

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

CWE-80 CWE-80

Affected Products

Vendor	Product	Versions
phpmyfaq	phpmyfaq	All

References

Advisories & Patches

https://github.com/thorsten/phpMyFAQ/commit/4fed1d9602f0635260f789fe85995789d94d6634 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-48vw-jpf8-hwqh https://github.com/thorsten/phpMyFAQ/commit/4fed1d9602f0635260f789fe85995789d94d6634 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-48vw-jpf8-hwqh

Exploits

https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-48vw-jpf8-hwqh https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-48vw-jpf8-hwqh

Frequently Asked Questions

What is CVE-2024-28108? +

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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-28108? +

CVE-2024-28108 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-28108? +

CVE-2024-28108 affects products from phpmyfaq, specifically: phpmyfaq. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-28108? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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