Vulnerability in Meow Gallery

CVE-2026-92422

The Meow Gallery WordPress plugin before 5.5.5 does not properly sanitize a user-supplied value before concatenating it into a shortcode string that it passes to the WordPress shortcode parser on a publicly reachable endpoint, allowing unauthenticated users to execute arbitrary registered shortcodes and disclose non-public gallery content.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-92422: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Meow Gallery

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92422?
CVE-2026-92422 is a medium-severity vulnerability in Meow Gallery, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2026-09-20.
How severe is CVE-2026-92422?
Medium severity. CVSS v3 base score is 6.5 out of 10.