What is GHSA-jcc7-rm2q-gvgc?

GHSA-jcc7-rm2q-gvgc is a security advisory published by GitHub Security Advisories with Critical severity. Vvveb through 1.0.8.6 contains a file upload vulnerability in the theme installer validFile()...

Which CVE IDs does GHSA-jcc7-rm2q-gvgc cover?

GHSA-jcc7-rm2q-gvgc covers the following CVE IDs: CVE-2026-126378. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jcc7-rm2q-gvgc?

GHSA-jcc7-rm2q-gvgc has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-jcc7-rm2q-gvgcCriticalCVSS 9.1

Vvveb through 1.0.8.6 contains a file upload vulnerability in the theme installer validFile()...

Vendor

GitHub Security Advisories

Published

November 13, 2026

Last Modified

November 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-126378 →

📋 Description

Vvveb through 1.0.8.6 contains a file upload vulnerability in the theme installer validFile() function that uses strpos() instead of strict path matching. Attackers with admin credentials can upload a ZIP containing a PHP file whose path includes /theme.php to achieve remote code execution on nginx deployments.

🔗 References (4)

https://github.com/givanz/Vvveb/security/advisories/GHSA-xpgr-r6c8-3hpq
https://nvd.nist.gov/vuln/detail/CVE-2026-126378
https://www.vulncheck.com/advisories/vvveb-through-1.0.8.6-webshell-upload-via-theme-installer-validfile-bypass
https://github.com/advisories/GHSA-jcc7-rm2q-gvgc