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

published 2026-10-15 25 d ago modified 2026-10-15 25 d ago also EUVD-2026-102027

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

ThemeGrill User Registration 5.3.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 25 d ago (2026-10-15)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Affected products

ThemeGrill User Registration

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-2-8-broken-acc
vdb-entry

Sources

CVE List CVE-2026-109692
NVD CVE-2026-109692

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary