CVE-2026-34427

HIGH

Vvveb < 1.0.8.1 Privilege Escalation via admin/user/save

Title source: cna

Description

Vvveb prior to 1.0.8.1 contains a privilege escalation vulnerability in the admin user profile save endpoint that allows authenticated users to modify privileged fields on their own profile. Attackers can inject role_id=1 into profile save requests to escalate to Super Administrator privileges, enabling plugin upload functionality for remote code execution.

Scores

CVSS v3 8.8
EPSS 0.0030
EPSS Percentile 52.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-915
Status published
Products (2)
givanz/Vvveb < 1.0.8.1
givanz/Vvveb 0eca14af50f038915b8bf7ceec2becf6b6720b0a
Published Apr 20, 2026
Tracked Since Apr 20, 2026