Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
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-s
FAQ
What is CVE-2026-34427?
CVE-2026-34427 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2026-34427?
CVE-2026-34427 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-34427?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.