CVE-2021-24809: The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread,

high Affects bp-better-messages (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread,

Package
bp-better-messages (WordPress plugin) WordPress
Affected versions
<1.9.9.41
Fixed in
1.9.9.41
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (54.0th percentile)
Published
2021-11-01
Source
nvd

References

CWE-352
NVD recordbp-better-messages (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories