CVE-2023-5320 Cross-site Scripting (XSS) - DOM in thorsten/phpmyfaq
An attacker can execute arbitrary scripts in the victim's browser via DOM-based XSS in phpMyFAQ, potentially leading to session hijacking or data theft.
- 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-2023-5320?
CVE-2023-5320 is a critical cross-site scripting vulnerability in Phpmyfaq Phpmyfaq, published on 30 Sep 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site Scripting (XSS) - DOM in GitHub repository thorsten/phpmyfaq prior to 3.1.18.
Weakness: CWE-79
Which versions are affected by CVE-2023-5320?
2 open source packages ship an affected version, including thorsten/phpmyfaq. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
thorsten/phpmyfaq Packagist | All versions | 3.1.18 |
thorsten/phpmyfaq Packagist | All versions | 3.1.18 |
Products include Phpmyfaq Phpmyfaq.
How do I fix CVE-2023-5320?
Upgrade thorsten/phpmyfaq to 3.1.18 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-2023-5320 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5320 exists.
Other vulnerabilities in Phpmyfaq Phpmyfaq
- CVE-2023-0310 Cross-site Scripting (XSS) - Stored in thorsten/phpmyfaq
- CVE-2022-4407 Cross-site Scripting (XSS) - Reflected in thorsten/phpmyfaq
- CVE-2017-11187 Security feature bypass in n/a
- CVE-2026-76213 phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped Throttle
- CVE-2026-76214 phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge
Sources
Also known as GHSA-pp4w-g5p4-85p2.