CVE-2026-34427
HIGHVvveb < 1.0.8.1 Privilege Escalation via admin/user/save
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Release Notes release-notes
https://github.com/givanz/Vvveb/releases/tag/1.0.8.1
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/vvveb-privilege-escalation-via-admin-user-save
Scores
CVSS v3
8.8
EPSS
0.0056
EPSS Percentile
42.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
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