CVE-2026-16056

Contest Gallery < 30.0.7 - Subscriber+ OpenAI Prompt History Disclosure via post_cg_get_openai_prompts

Published Aug 4, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
The Contest Gallery WordPress plugin before 30.0.7 does not perform any capability or nonce check in one of its handlers, allowing any authenticated user down to Subscriber to read the site's entire stored OpenAI prompt history.

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
Weaknesses CWE-284
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

ssvc

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

Type Values Removed Values Added
Weaknesses CWE-284
CWE-862
Type Values Removed Values Added
First Time appeared Contest-gallery
Contest-gallery contest Gallery
Wordpress
Wordpress wordpress
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 perform any capability or nonce check in one of its handlers, allowing any authenticated user down to Subscriber to read the site's entire stored OpenAI prompt history.
Title Contest Gallery < 30.0.7 - Subscriber+ OpenAI Prompt History Disclosure via post_cg_get_openai_prompts
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 4, 2026, 5:38 PM
Reserved
Jul 17, 2026, 12:05 PM
Status
Deferred
Published
Aug 4, 2026, 7:16 AM
Modified
Aug 26, 2026, 4:31 PM