TI-2026-86623 Aliases CVE-2026-119522 GHSA-fmpg-3m4m-7h33

Missing authorization in WordPress User Registration plugin

LOW 27CWE-862Published 2026-11-07 · Updated 2026-11-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

The ThemeGrill User Registration plugin for WordPress, from n/a through 5.3.1, lacks an authorization check. An unauthenticated remote attacker can reach functionality that should be restricted to authorized users, as indicated by CWE-862 and a CVSS 3.1 vector with no privileges or user interaction required.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

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 5.3.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ThemeGrill	User Registration	up to 5.3.1	—	No fix listed	CNA

User Registration VendorThemeGrill Affected up to 5.3.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for User Registration.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Timeline

2026-11-07 Threatist record created from CVE-2026-119522
2026-11-07 CISA SSVC decision points changed
2026-11-07 Alias added: GHSA-fmpg-3m4m-7h33

References

Other 1

https://patchstack.com/database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-3-1-broken-access-control-vulnerability-2?_s_id=cve

TI-2024-16396 WordPress LMS by Masteriyo plugin <= 1.7.2 - Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
TI-2026-51986 WordPress Masteriyo - LMS plugin <= 2.3.2 - Arbitrary File Upload vulnerability CVSS 3.1CRITICAL 9.8
TI-2026-39610 WordPress Registration Form for WooCommerce plugin <= 1.0.9 - Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
TI-2020-18616 themegrill-demo-importer before 1.6.2 does not require authentication for wiping the… CVSS 3.1CRITICAL 9.1
TI-2020-18972 ThemeGrill Demo Importer 1.3.4 - 1.6.1 - Authorization Bypass to Site Reset CVSS 3.1CRITICAL 9.9
TI-2026-36307 WordPress User Registration Stripe plugin <= 1.3.12 - Broken Access Control vulnerability CVSS 3.1HIGH 8.2

See all 43 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences