CVE-2023-53929 phpMyFAQ 3.1.12 CSV Injection via User Profile Export

What is CVE-2023-53929?

CVE-2023-53929 is a medium-severity code injection vulnerability in Phpmyfaq Phpmyfaq, published on 17 Dec 2025. 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 3.1.12 contains a CSV injection vulnerability that allows authenticated users to inject malicious formulas into their profile names. Attackers can modify their user profile name with a payload like 'calc|a!z|' to trigger code execution when an administrator exports user data as a CSV file.

Weakness: CWE-1236

Which versions are affected by CVE-2023-53929?

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

Products include Phpmyfaq Phpmyfaq.

How do I fix CVE-2023-53929?

No fix has been published for CVE-2023-53929 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-53929 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53929 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-x2v3-9p22-w3x6.