CVE-2026-111896 phpMyFAQ 4.2.0-alpha before 4.2.0-beta Stored XSS via SVG Upload Sanitizer Bypass
Attackers can execute arbitrary scripts in the application origin by uploading malicious SVG files, 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
- None listed
What is CVE-2026-111896?
CVE-2026-111896 is a medium-severity cross-site scripting vulnerability in thorsten phpMyFAQ, published on 17 Oct 2026. 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 from 4.2.0-alpha before 4.2.0-beta contains a stored cross-site scripting vulnerability in SvgSanitizer that allows FAQ editors to store executable SVG files. Attackers can split script tags around removed tokens like processing instructions so single-pass removal reassembles them, executing script in the application origin when victims open the file.
Weakness: CWE-182
Which versions are affected by CVE-2026-111896?
How do I fix CVE-2026-111896?
No fix has been published for CVE-2026-111896 yet. Limit exposure of the affected software until one is available.
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-2026-111896 being exploited?
There is no known exploitation of CVE-2026-111896 in the wild and no public exploit code.
Sources
Also known as GHSA-95fm-rwq4-rxrf, GHSA-fch3-7f9r-g5gg.