VULNERABILITY INTELLIGENCE
CVE-2026-53673
CVSS score8.6 HIGH
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-06-10
Last modified2026-10-08
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Description
BuddyPress 14.4.0 contains an insecure direct object reference vulnerability in the messages REST API that allows authenticated attackers to access arbitrary private message threads by supplying a user_id parameter in the request. Attackers can pass another user's identifier to the get_item_permissions_check method, which validates the supplied user_id instead of the logged-in user and is reused by the update and delete handlers, to read, reply to, or delete any user's private messages.
Weakness classification
- CWE-639: Authorization Bypass Through User-Controlled Key