CVE-2026-41938

May 6, 2026, 8:16 p.m.

8.7
High

Description

Vvveb before version 1.0.8.2 contains an unrestricted file upload vulnerability in the media upload handler that allows authenticated users with media-upload permissions to bypass extension restrictions by uploading a .htaccess file to map .phtml extensions to the PHP handler. Attackers can upload a .phtml file containing arbitrary PHP code and trigger execution by sending an unauthenticated HTTP GET request to the uploaded file, resulting in remote code execution with web server privileges.

Product(s) Impacted

Vendor Product Versions
Vvveb
  • Vvveb
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-434
Unrestricted Upload of File with Dangerous Type
The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a vvveb vvveb / / / / / / / /

References

https://github.com/givanz/Vvveb/commit/54a9e846fb94192f1b31ae81d81d25c874662e6a
https://github.com/givanz/Vvveb/releases/tag/1.0.8.2
https://github.com/givanz/Vvveb/security/advisories/GHSA-wwmv-4g9g-p48g
https://www.vulncheck.com/advisories/vvveb-rce-via-media-upload-handler
https://github.com/givanz/Vvveb/security/advisories/GHSA-wwmv-4g9g-p48g

Tags

CWE-434
[email protected]
2026-05-06
CVE-2026-41938

CVSS Score

8.7 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: LOW
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • Exploit Maturity: NOT_DEFINED

    • CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

    View Vector String

Timeline

Published: May 6, 2026, 7:16 p.m.
Last Modified: May 6, 2026, 8:16 p.m.

Status : Deferred

When a CVE is given this status the NVD does not plan analyze or re-analyze this CVE due to resource or other concerns.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.