BuddyPress: Broken access control

BuddyPress is affected by broken access control. Exploitation requires an authenticated WordPress account. A successful request can reach data or an operation that should be restricted to another user or a more privileged role. The published affected range is <= 14.4.0.

CVE / CNA score 8.6 CVSS 4.0 · disclosure@vulncheck.com

NVD score Pending NVD has not published its own CVSS assessment.

Component: BuddyPress
Plugin slug: buddypress
Affected: <= 14.4.0
Safe version: See mitigation notes
Published: Jun 10, 2026
Weakness: CWE-639 — Authorization Bypass Through User-Controlled Key

This CVE was published Jun 10, 2026 and is one of 18 known issues for this plugin.

What to do

Update, patch or deactivate.

No fixed release is identified. Update BuddyPress when a release after 14.4.0 becomes available; until then, disable and remove it when the site's risk warrants. The official upstream changelog lists version 14.5.2, which is newer than the published affected range. Its changelog does not clearly confirm this specific fix, so it is not counted as a known-safe release.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical 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.

CVE / CNA 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

Primary and upstream sources

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