[ CVE-2026-88903 · Published 11 Oct 2026 ]
Vulnerability in Unknown Topcontent
CVSS 8.8
EPSS <1%No fix listed yet
[ Description ]Official description
The Topcontent WordPress plugin through 1.2.1 does not properly authorise one of its request handlers and disables HTML sanitisation before storing the submitted content, allowing unauthenticated attackers to publish arbitrary posts containing malicious JavaScript on any site where its API key has never been configured.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.