What is CVE-2026-120408?

CVE-2026-120408 is a high-severity vulnerability in All-In-One Video Gallery, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-11-06.

How severe is CVE-2026-120408?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in All-In-One Video Gallery

CVE-2026-120408

The All-in-One Video Gallery WordPress plugin before 5.1.0 does not escape a video's stored thumbnail URL before outputting it in the admin video list, and does not sanitise that value when it is written outside its own editor, allowing users with a role as low as Subscriber to perform Stored Cross-Site Scripting attacks against administrators.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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

All-In-One Video Gallery

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/ddbbaa38-e9cc-416f-8b3f-72d721f82dc3/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-120408?: CVE-2026-120408 is a high-severity vulnerability in All-In-One Video Gallery, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-11-06.
How severe is CVE-2026-120408?: High severity. CVSS v3 base score is 8.0 out of 10.