CVE-2026-81737 FAQ Builder AYS 1.6.3 - 1.8.4 - Unauthenticated Stored XSS via ays_get_user_information
Unauthenticated attackers can inject malicious scripts via FAQ Builder AYS plugin, leading to stored XSS that executes in the administrator's browser context.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-81737?
CVE-2026-81737 is a high-severity cross-site scripting vulnerability in Unknown FAQ Builder AYS, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The FAQ Builder AYS WordPress plugin before 1.8.5 does not sanitize or escape content submitted by unauthenticated visitors before storing it and outputting it in an admin area page, and the escaping it does apply is undone by a subsequent decoding step, leading to Stored XSS which will execute in the context of a logged in administrator.
Weakness: CWE-79
Which versions are affected by CVE-2026-81737?
How do I fix CVE-2026-81737?
No fix has been published for CVE-2026-81737 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-2026-81737 being exploited?
There is no known exploitation of CVE-2026-81737 in the wild and no public exploit code.
Sources
Also known as GHSA-rg8x-42cw-c3jx.