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Vulnerabilities CVE-2026-41938

CVE-2026-41938

High
Open
TLP:CLEAR

Vvveb < 1.0.8.2 RCE via Media Upload Handler

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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 execute the uploaded payload through a subsequent unauthenticated HTTP GET request to the uploaded file, resulting in remote code execution with web server privileges.

Details

CVSS Score
8.7
EPSS Score
0.54%

42.6th percentile

CVSS Vector
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
Confidence
90%
Published
May 6, 2026
Last Modified
Jul 28, 2026
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