Read the docs
TI-2026-38711 Aliases CVE-2026-53673GHSA-j3j5-5m8v-7gvc

BuddyPress 14.4.0 Private Message IDOR via REST API user_id Parameter

Priority LOW 39CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00371 31st percentileScored 2026-11-07
Fix Fixed buddypress/buddypress (Packagist): 14.5.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
buddypressBuddyPressup to 14.4.0—No fix listedCNA
—buddypress/buddypress (Packagist)before 14.5.014.5.0Patch availableGHSA-j3j5-5m8v-7gvc
  • BuddyPress Vendorbuddypress Affected up to 14.4.0 Fixed in — No fix listed CNA
  • buddypress/buddypress (Packagist) Vendor— Affected before 14.5.0 Fixed in 14.5.0 Patch available GHSA-j3j5-5m8v-7gvc

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:buddypress:buddypress:*:*:*:*:*:*:*:*——buddypress
  • cpe:2.3:a:buddypress:buddypress:*:*:*:*:*:*:*:* Versions — — ·buddypress

Remediation

  • Fix · GHSA-j3j5-5m8v-7gvc buddypress/buddypress (Packagist) Fixed in 14.5.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-53673
  2. 2026-10-03 Alias added: GHSA-j3j5-5m8v-7gvc
  3. 2026-10-25 Priority changed: MEDIUM → LOW

References

Advisory 1

Other 6

  • TI-2021-04488 BuddyPress privilege escalation via REST API CVSS 3.1HIGH 8.8
  • TI-2014-01473 The Group creation process in the Buddypress plugin before 1.9.2 for WordPress allows… CVSS 3.0MEDIUM 6.5
  • TI-2024-09291 BuddyPress <= 14.1.0 - Authenticated (Subscriber+) Directory Traversal CVSS 3.1HIGH 8.1
  • TI-2020-04300 Private data exposure via REST API in BuddyPress CVSS 3.1HIGH 8.0
  • TI-2025-38345 WordPress BuddyPress plugin <= 14.3.4 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
  • TI-2024-11112 BuddyPress <= 14.3.3 - Unauthenticated Arbitrary Shortcode Execution CVSS 3.1HIGH 7.3
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences