Quick answers
- Is CVE-2026-106598 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-106598 being exploited in the wild.
- How severe is CVE-2026-106598?
- Medium severity, with a CVSS score of 5.3, published 13 October 2026.
- Which products and versions are affected?
- ThemeGrill User Registration through 5.2.8.
- Is there a fix for CVE-2026-106598?
- Yes: fixed in 5.3.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-106598 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-106598?
- 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: 5.3.0
Technical details
Missing authorization in the User Registration plugin through version 5.2.8 permits unauthenticated attackers to access and retrieve embedded sensitive data. The vulnerability requires network access but no authentication, allowing an attacker to directly expose user information. A fix is available in version 5.3.0.
Affected products
- ThemeGrill User Registration through 5.2.8
Timeline
- 2026-09-15: disclosed: Reported by sumayfe
- 2026-10-13: advisory: Published by Patchstack
- 2026-10-13: patched: Version 5.3.0 released