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Critical 9.4

Vvveb through 1.0.8.6 Webshell Upload via Theme Installer validFile() Bypass

CVE-2026-126378 First seen on SecPulse

Summary

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...

Affected packages

PackageAffected → Fixed
givanzVvveb
≤ 1.0.8.6→ Not listed

This record does not list fixed versions. Check the article or the vendor advisory in the references for whether and where it is fixed.

Original description The description as published by the source.

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.

Source: CVE.org (CVE Program・cvelistV5) NVD

References

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