Vulnerabilities / BuddyPress / WPSEC-2026-1556
BuddyPress <= 11.6.2 - Authenticated (Subscriber+) Missing Authorization to Activity Comment Creation via REST API
Medium 4.3
CWE-862Fixed in 11.6.3
- ID
- WPSEC-2026-1556
- Plugin
- BuddyPress (buddypress)
- Affected
- all versions before 11.6.3
- Remediation
- Update to 11.6.3 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weakness
- CWE-862
- Usage
- Plugin Medium · Affected versions Medium among sites WPSec scans, 2026-10-23
- Attack surface
- BuddyPress on WPSec AttackSurface
- Fix released
- Published
Description
The BuddyPress plugin for WordPress is vulnerable to unauthorized activity comment creation via the activity REST API endpoint in all versions up to, and including, 11.6.2, due to a missing check on the target activity in the create permission callback. This makes it possible for authenticated attackers, with Subscriber-level access and above, to post comments on activities they are not allowed to comment on, such as activities in private or hidden groups they are not a member of.
References
- https://wpsec.com/vuln/WPSEC-2026-1556/
- https://plugins.svn.wordpress.org/buddypress/tags/11.6.3/
- https://wordpress.org/plugins/buddypress/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
This advisory as JSON or Markdown · All advisories: JSON, RSS