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Missing authorization in BuddyForms lets Subscribers edit other users' posts

Priority LOW 23CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

The BuddyForms WordPress plugin before 2.10.1 does not verify that a user editing an existing entry is the author of the target post. Users granted edit access to a form, as low as Subscriber, can overwrite the title, content and status of other users' posts or pages, including those of administrators. Exploitation requires an authenticated low-privileged account and has a public exploit link in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

The BuddyForms WordPress plugin before 2.10.1 does not verify that a user editing an existing entry is the author of the target post, allowing users who have been granted edit access to a form, as low as Subscriber, to overwrite the title, content and status of any other user's posts or pages, including those of administrators.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00153 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed BuddyForms (Unknown): 2.10.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownBuddyFormsbefore 2.10.12.10.1Patch availableCNA
  • BuddyForms VendorUnknown Affected before 2.10.1 Fixed in 2.10.1 Patch available CNA

Remediation

Update BuddyForms to version 2.10.1 or later, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

  • Fix · CNA BuddyForms (Unknown) Fixed in 2.10.1

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-118101
  2. 2026-10-30 Alias added: GHSA-gp98-hm98-x54f
  3. 2026-10-30 CVSS score added · CISA ADP
  4. 2026-10-30 Weakness changed · CISA ADP
  5. 2026-10-30 CISA SSVC decision points changed

References

Sources