CVE-2026-34427

Vvveb < 1.0.8.1 Privilege Escalation via admin/user/save

State: Published
Severity: 8.7 High
Published: Apr 20, 2026
Updated: Jul 28, 2026
Reserved: Mar 27, 2026

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	Score	Vector	Source
4.0	8.7 High	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	VulnCheck
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes

Affected Products

Product	Versions
Vvvebgivanz	before 1.0.8.1Affected 0eca14af50f038915b8bf7ceec2becf6b6720b0aNot affected

References

https://github.com/givanz/Vvveb/releases/tag/1.0.8.1release-notes
https://github.com/givanz/Vvveb/commit/0eca14af50f038915b8bf7ceec2becf6b6720b0apatch
https://www.vulncheck.com/advisories/vvveb-privilege-escalation-via-admin-user-savethird-party-advisory

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