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Protection bypass in Profile Builder lets users skip comment reCAPTCHA

Priority LOW 20CWE-693Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-693.

Summary

The Profile Builder WordPress plugin from 4.0.0 to 4.0.4 does not enforce its reCAPTCHA verification on all comment submission paths. An authenticated user with low privileges can bypass the anti-spam protection an administrator configured for the WordPress comment form. An exploit link appears in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The Profile Builder WordPress plugin from 4.0.0 to 4.0.4 does not enforce its reCAPTCHA verification on all comment submission paths, allowing authenticated users to bypass the anti-spam protection an administrator configured for the WordPress comment form.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Profile Builder (Unknown): 4.0.5

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
UnknownProfile Builder4.0.0 to before 4.0.54.0.5Patch availableCNA
  • Profile Builder VendorUnknown Affected 4.0.0 to before 4.0.5 Fixed in 4.0.5 Patch available CNA

Remediation

Update Profile Builder to version 4.0.5, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Profile Builder (Unknown) Fixed in 4.0.5

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-111965
  2. 2026-10-23 Alias added: GHSA-76c5-cm8v-644h

References

Sources