How severe is CVE-2026-5361?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Smub Envira Gallery – Image Photo Gallery, Albums, Video Slideshows & More

CVE-2026-5361

The Envira Gallery Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the REST API in versions up to and including 1.12.4. This is due to insufficient input sanitization in the update_gallery_data() function and imp…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (3.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Smub Envira Gallery – Image Photo Gallery, Albums, Video Slideshows & More — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-5361?: CVE-2026-5361 is a medium-severity vulnerability in Smub Envira Gallery – Image Photo Gallery, Albums, Video Slideshows & More, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-14.
How severe is CVE-2026-5361?: Medium severity. CVSS v3 base score is 6.4 out of 10.