Vulnerability · Published Aug 4, 2026 · Assigned by WPScan

CVE-2026-16056Contest Gallery < 30.0.7 - Subscriber+ OpenAI Prompt History Disclosure via post_cg_get_openai_prompts

Medium 4.3

In plain English

A medium-severity missing authorization in Contest Gallery from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 80.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Contest Gallery	0 – before 30.0.7

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://wpscan.com/vulnerability/53aec8d3-da17-4183-91b3-73b45681fd20/ exploit, vdb-entry, technical-description