CVE-2026-53673

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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://buddypress.org/
https://wordpress.org/plugins/buddypress/
https://www.vulncheck.com/advisories/buddypress-private-message-idor-via-rest-api-user-id-parameter

Configurations

No configuration.

History

10 Jun 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-10 00:16

Updated : 2026-06-10 00:16

NVD link : CVE-2026-53673

Mitre link : CVE-2026-53673

CVE.ORG link : CVE-2026-53673

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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