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Broken authentication in WordPress Advanced Google reCAPTCHA plugin

Priority LOW 30CWE-288Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.

Summary

The WebFactory Advanced Google reCAPTCHA plugin for WordPress through 5.40 contains an authentication bypass using an alternate path or channel (CWE-288). An unauthenticated remote attacker can get past authentication without valid credentials, with a limited impact on data integrity.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Unauthenticated Broken Authentication in Advanced Google reCAPTCHA <= 5.40 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00256 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
webfactoryAdvanced Google reCAPTCHAup to 5.40—No fix listedCNA
  • Advanced Google reCAPTCHA Vendorwebfactory Affected up to 5.40 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Advanced Google reCAPTCHA.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-100518
  2. 2026-10-06 Alias added: GHSA-9vfj-8pvp-mccw
  3. 2026-10-06 CISA SSVC decision points changed

References

  • TI-2020-05688 The WordPress plugin, WP Database Reset through 3.1, contains a flaw that allowed any… CVSS 3.1CRITICAL 9.1
  • TI-2023-03361 Simple Author Box < 2.52 - Contributor+ Arbitrary User Information Disclosure via IDOR CVSS 3.1MEDIUM 4.3
  • TI-2024-00800 Email Log <= 2.4.8 - Unauthenticated Hook Injection CVSS 3.1HIGH 8.1
  • TI-2021-14990 WordPress WP Reset PRO Premium plugin <= 5.98 - Authenticated Database Reset vulnerability CVSS 3.1HIGH 8.8
  • TI-2020-05687 The WordPress plugin, WP Database Reset through 3.1, contains a flaw that gave any… CVSS 3.1HIGH 8.8
  • TI-2025-17735 WordPress AiBud WP plugin <= 1.9 - Arbitrary File Upload vulnerability CVSS 3.1CRITICAL 9.1
See all 45 →

Sources