CVE-2026-81742 BE REST Endpoints <= 1.0.0 - Unauthenticated Stored XSS and Widget Manipulation
Unauthenticated attackers can inject arbitrary scripts via widget manipulation in the BE REST Endpoints WordPress plugin, leading to XSS and unauthorized data access.
- 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-2026-81742?
CVE-2026-81742 is a high-severity cross-site scripting vulnerability in Unknown BE REST Endpoints, published on 12 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 BE REST Endpoints WordPress plugin through 1.0.0 does not perform any authorization check before allowing widgets to be read, created, updated and deleted, and does not sanitize the values it stores in them, allowing unauthenticated users to inject arbitrary web scripts which will execute in the browser of any user visiting the site.
Weakness: CWE-79
Which versions are affected by CVE-2026-81742?
How do I fix CVE-2026-81742?
No fix has been published for CVE-2026-81742 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-2026-81742 being exploited?
There is no known exploitation of CVE-2026-81742 in the wild and no public exploit code.
Sources
Also known as GHSA-qmr6-ghgr-83xm.