[ CVE-2026-87764 · Published 11 Oct 2026 ]
Vulnerability in Unknown BuddyPress Instant Chat
CVSS 8.8
EPSS <1%No fix listed yet
[ Description ]Official description
The BuddyPress Instant Chat WordPress plugin through 1.6 does not check that the sender of a chat message belongs to the conversation it is being added to, nor does it escape message content before outputting it back, allowing unauthenticated users to store arbitrary web scripts that will execute in the session of any member who later views that conversation.
[ 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.