CVE-2026-6711 Website LLMs.txt <= 8.2.6 - Reflected Cross-Site Scripting
Unauthenticated attackers can inject scripts via the tab parameter, potentially compromising administrator accounts if they click a malicious link.
- 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-2026-6711?
CVE-2026-6711 is a medium-severity cross-site scripting vulnerability in ryhowa Website LLMs.txt, published on 21 Apr 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 Website LLMs.txt plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in all versions up to, and including, 8.2.6. This is due to the use of filter_input() without a sanitization filter and insufficient output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick an administrator into performing an action such as clicking on a link.
Weakness: CWE-79
Which versions are affected by CVE-2026-6711?
How do I fix CVE-2026-6711?
No fix has been published for CVE-2026-6711 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-2026-6711 being exploited?
There is no known exploitation of CVE-2026-6711 in the wild and no public exploit code.
Sources
Also known as GHSA-pwg2-rh4x-6xr7.