CVE-2026-109699

MEDIUM 5.4

WordPress User Registration plugin <= 5.2.8 - Broken Access Control vulnerability

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

Missing Authorization vulnerability in ThemeGrill User Registration user-registration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects User Registration: from n/a through 5.2.8.

CWE	CWE-862
Vendor	themegrill
Product	user registration
Published	Oct 13, 2026
Last Updated	Oct 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Affected Versions

ThemeGrill / User Registration

0 ≤ 5.2.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-2-8-broken-access-control-vulnerability-2?_s_id=cve

Credits

nov1337 | Patchstack Bug Bounty Program