CVE-2026-41937

high

Description

Vvveb before 1.0.8.3 contains an unrestricted file upload vulnerability in the plugin upload endpoint that allows super_admin users to execute arbitrary PHP code by uploading a malicious plugin ZIP file. Attackers can craft a ZIP containing a plugin.php with a valid Slug header and a public/index.php file with arbitrary PHP code, which executes as the web server user when accessed via unauthenticated HTTP requests to the plugin's public path.

References

https://www.vulncheck.com/advisories/vvveb-unrestricted-file-upload-rce-via-plugin-upload

https://github.com/givanz/Vvveb/releases/tag/1.0.8.3

https://github.com/givanz/Vvveb/commit/04f0294350ec429e307cd31c2e777a4797c868d6

Details

Source: Mitre, NVD

Published: 2026-05-14

Updated: 2026-05-14

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.6

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00031