CVE-2026-52701: ThemeGrill User Registration broken access control

CVE-2026-52701 · Severity: medium · CVSS 6.5 · Published 2026-06-26

The User Registration plugin for WordPress, which is used to create custom registration and login forms, contains a security flaw that allows unauthorized users to bypass access controls. An attacker could exploit this to perform actions or access data they should not have permission for, potentially compromising user management functions. This could lead to unauthorized changes to site settings or the exposure of sensitive user information.

Technologies: WPEverest User Registration. Vendors: WPEverest.

Quick answers

Is CVE-2026-52701 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-52701 being exploited in the wild.
How severe is CVE-2026-52701?
Medium severity, with a CVSS score of 6.5, published 26 June 2026.
Which products and versions are affected?
WPEverest User Registration <= 5.2.2.
Is there a fix for CVE-2026-52701?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-52701 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-52701?
Check whether you run WPEverest User Registration at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A broken access control vulnerability exists in the ThemeGrill User Registration plugin for WordPress due to missing authorization checks (CWE-862). The flaw allows an unauthenticated remote attacker to execute functions or access data that should be restricted to higher-privileged users. The vulnerability is present in versions up to and including 5.2.2. Attackers can exploit this over the network without any user interaction. A patch is available in version 5.2.3.

Affected products

  • ThemeGrill User Registration <= 5.2.2

Timeline

  • 2026-04-14: other: Reported by researcher nobody09
  • 2026-06-22: disclosed: Initial disclosure by Patchstack
  • 2026-06-26: advisory: NVD publication date

References

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