CVE-2026-16056CWE-862broken-access-control

CVE-2026-16056

Medium · published August 4, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
18.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00270 · 18.2th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-08-04T11:16Z
References (1)
https://wpscan.com/vulnerability/53aec8d3-da17-4183-91b3-73b45681fd20/ · [email protected]
EPSS history
Timeline
  • 04 AUG 06:00Z
    Contest Gallery < 30.0.7 - Subscriber+ OpenAI Prompt History Disclosure via post_cg_get_openai_prompts
    cvelistv5