CVE-2026-41937
HIGH EPSS 32.1%
Published May 14, 20261mo ago · Modified Jun 17, 20261w ago
8.6 CVSS 4.0
Published May 14, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago
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 once accessed via subsequent unauthenticated HTTP requests to the plugin's public path.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
32.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt
CWE-61
References 3
- github.com https://github.com/givanz/Vvveb/commit/04f0294350ec429e307cd31c2e777a4797c868d6
- github.com https://github.com/givanz/Vvveb/releases/tag/1.0.8.3
- vulncheck.com https://www.vulncheck.com/advisories/vvveb-unrestricted-file-upload-rce-via-plugin-upload
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.