XSS in Envira Gallery

CVE-2026-104652

The Envira Gallery WordPress plugin before 1.16.1 does not sanitise and escape a gallery item identifier before outputting it in an image tag attribute, allowing users with the Author role and above to inject arbitrary web scripts that execute when any visitor, including an administrator, views a page embedding the gallery.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Envira Gallery

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-104652?
CVE-2026-104652 is a medium-severity vulnerability in Envira Gallery, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-10-07.
How severe is CVE-2026-104652?
Medium severity. CVSS v3 base score is 6.8 out of 10.