CVE Catalog

CVE-2026-16056

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.16%

6th percentile - higher than 6% of all known CVEs

Summary

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.

Risk Assessment

An authenticated user with low privileges can access sensitive data (prompt history), potentially leading to information disclosure.

Recommendation

Upgrade the Contest Gallery plugin to version 30.0.7 or later.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS