CVE-2026-119531 Live Composer < 2.1.24 - Contributor+ Stored XSS via Module Area Shortcode
Contributor-level users can store scripts via a Live Composer shortcode that run for anyone viewing the post, including administrators.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-119531?
CVE-2026-119531 is a medium-severity cross-site scripting vulnerability in Unknown Live Composer, published on 11 Nov 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Live Composer WordPress plugin before 2.1.24 does not escape several attributes of one of its page-builder shortcodes before outputting them inside HTML tag attributes, allowing users with the Contributor role and above to store a payload that executes in the browser of anyone who views the post, including an administrator reviewing the pending submission.
Weakness: CWE-79
Which versions are affected by CVE-2026-119531?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-119531?
No fix has been published for CVE-2026-119531 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-2026-119531 being exploited?
There is no known exploitation of CVE-2026-119531 in the wild and no public exploit code.
Sources
Also known as GHSA-8gwf-q9gc-gx6r.