CVE-2026-16055

Contest Gallery < 30.0.7 - Unauthenticated Login-Protection and 2FA Bypass via post_cg_login

Published Aug 5, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
The Contest Gallery WordPress plugin before 30.0.7 does not route its front-end login through the standard WordPress authentication flow, issuing an authentication cookie directly after the password check, which bypasses installed brute-force-protection and two-factor-authentication Contest Gallery WordPress plugin before 30.0.7 and enables unlimited, unthrottled password guessing against any account (including administrators) up to full account takeover.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Contest-gallery
Contest-gallery contest Gallery
Wordpress
Wordpress wordpress
Weaknesses CWE-287
Vendors & Products Contest-gallery
Contest-gallery contest Gallery
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description The Contest Gallery WordPress plugin before 30.0.7 does not route its front-end login through the standard WordPress authentication flow, issuing an authentication cookie directly after the password check, which bypasses installed brute-force-protection and two-factor-authentication Contest Gallery WordPress plugin before 30.0.7 and enables unlimited, unthrottled password guessing against any account (including administrators) up to full account takeover.
Title Contest Gallery < 30.0.7 - Unauthenticated Login-Protection and 2FA Bypass via post_cg_login
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 5, 2026, 2:04 PM
Reserved
Jul 17, 2026, 12:05 PM
Status
Deferred
Published
Aug 5, 2026, 7:16 AM
Modified
Aug 26, 2026, 4:31 PM