CVE-2026-34427

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.

CVSS Vector

References

• https://github.com/givanz/Vvveb/commit/0eca14af50f038915b8bf7ceec2becf6b6720b0a
• https://github.com/givanz/Vvveb/releases/tag/1.0.8.1
• https://www.vulncheck.com/advisories/vvveb-privilege-escalation-via-admin-user-save