{"id":"CVE-2026-53673","revision":"7d81f059be7e46ec86260b1c509ff1dd","records":[{"revision":"7d81f059be7e46ec86260b1c509ff1dd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53673","aliases":[],"title":"BuddyPress 14.4.0 Private Message IDOR via REST API user_id Parameter","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.","state":0,"publishedAt":"2026-06-09T23:44:20.697+00:00","modifiedAt":"2026-10-08T15:23:07.681+00:00","affected":[{"ecosystem":"Vendor product","name":"BuddyPress","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"BuddyPress\",\n                    \"product\": \"BuddyPress\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"14.4.0\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/buddypress/buddypress\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.6,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://buddypress.org/","https://wordpress.org/plugins/buddypress/","https://www.vulncheck.com/advisories/buddypress-private-message-idor-via-rest-api-user-id-parameter"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53673","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53673","identifiers":["CVE-2026-53673"]},"retained":false,"historicalAffected":[]}],"coverage":[]}