Patch Forecast
Amber warning
Patch this week.

CVE-2026-87764

The BuddyPress Instant Chat WordPress plugin through 1.6 does not check that the sender of a chat…

Risk score
62/100
CVSS
8.8 v3.1
Exploit chance (30 days)
0.3%
Published
11 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
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…
Affected
See advisory
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 8.8 high
  • Remotely exploitable without logging in

References

Original 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.

Last activity 11 Oct 2026. Patch Forecast updates every hour.