Read the docs
TI-2026-70278 Aliases CVE-2026-107120GHSA-4prj-22r4-mcwx

Contest Gallery email verification bypass via brute-forced PIN

Priority LOW 29CWE-287Published · 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
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.

Summary

The Contest Gallery WordPress plugin before 33.0.1 does not limit attempts against its front-end registration email verification step. The step relies on a short numeric PIN (CWE-287, Improper Authentication), so an unauthenticated attacker can brute-force the PIN. The attacker can then create and activate a WordPress account bound to an email address they do not own and gain an authenticated session.

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

Description from the CNA

The Contest Gallery WordPress plugin before 33.0.1 does not limit the number of attempts against its front-end registration email-verification step, which relies on a short numeric PIN, allowing unauthenticated attackers to brute-force the PIN and create and activate a WordPress account bound to an email address they do not own, gaining an authenticated session.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00221 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Contest Gallery (Unknown): 33.0.1

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
UnknownContest Gallerybefore 33.0.133.0.1Patch availableCNA
  • Contest Gallery VendorUnknown Affected before 33.0.1 Fixed in 33.0.1 Patch available CNA

Remediation

Update Contest Gallery to version 33.0.1, which fixes the flaw.

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

  • Fix · CNA Contest Gallery (Unknown) Fixed in 33.0.1

Timeline

  1. 2026-10-10 Threatist record created from CVE-2026-107120
  2. 2026-10-10 Alias added: GHSA-4prj-22r4-mcwx
  3. 2026-10-11 CVSS score added · CISA ADP
  4. 2026-10-11 Weakness changed · CISA ADP
  5. 2026-10-11 CISA SSVC decision points changed

References

Exploit 1

Sources

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