How severe is CVE-2026-1236?

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-2026-1236

The Envira Gallery for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'justified_gallery_theme' parameter in all versions up to, and including, 1.12.3 due to insufficient input sanitization and output e…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (14.3th 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-2026-1236?: CVE-2026-1236 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 2026-03-04.
How severe is CVE-2026-1236?: Medium severity. CVSS v3 base score is 6.4 out of 10.