Quick answers
- Is CVE-2026-124258 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-124258 being exploited in the wild.
- How severe is CVE-2026-124258?
- Medium severity, with a CVSS score of 5.3, published 7 November 2026.
- Which products and versions are affected?
- ThemeGrill User Registration through 5.3.1.
- Is there a fix for CVE-2026-124258?
- Yes: fixed in 5.3.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-124258 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-124258?
- Check whether you run ThemeGrill 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.
How to fix
- Fixed in: 5.3.2
Technical details
The plugin contains a broken access control vulnerability (CWE-284) that permits unauthenticated users to bypass authorization checks and access protected functionality or data. The attack requires no authentication or special privileges, and exploitation occurs over the network by sending crafted requests to the affected WordPress site. A fix is available in version 5.3.2.
Affected products
- ThemeGrill User Registration through 5.3.1
Timeline
- 2026-10-20: disclosed: Reported to Patchstack
- 2026-11-07: advisory: Published by Patchstack