CVE-2026-81742: BE REST Endpoints <= 1.0.0 - Unauthenticated Stored XSS and Widget Manipulation
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress plugin: BE REST Endpointsto a version that resolves this vulnerability.Fixed in 1.0.0Patch BE REST Endpoints <= 1.0.0 - Compensating control
Restrict access to the BE REST Endpoints REST endpoints so unauthenticated users cannot read/create/update/delete widgets (e.g., block at the web server/WAF/ACL until the plugin is fixed).
Event History
Frequently Asked Questions
Who can exploit this issue?
Unauthenticated users can exploit it; no authorization check is performed before widget records can be read, created, updated, or deleted.
What could an attacker do beyond executing script in visitors' browsers?
An attacker can manipulate widgets by creating, updating, or deleting them. They can also store arbitrary web scripts in widget values, which execute when a user visits the site.
Which plugin versions are affected?
WordPress BE REST Endpoints versions through 1.0.0 are affected.