Is CVE-2026-25467 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-25467 being exploited in the wild.

How severe is CVE-2026-25467?

Medium severity, with a CVSS score of 5.3, published 29 October 2026.

Which products and versions are affected?

ThemeGrill User Registration through 5.3.0.

Is there a fix for CVE-2026-25467?

Yes: fixed in 5.3.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-25467 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-25467?

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.

CVE-2026-25467: ThemeGrill User Registration XSS in HTML tag neutralization

CVE-2026-25467 · Severity: medium · CVSS 5.3 · Published 2026-10-29

ThemeGrill User Registration is a WordPress plugin that enables user account registration and profile management on WordPress sites. An improper neutralization of script-related HTML tags allows unauthenticated attackers to inject malicious content into pages, which could deliver ads, phishing links, malware, or deface site content. This content injection vulnerability affects all versions through 5.3.0 and has been patched in version 5.3.1.

Technologies: ThemeGrill User Registration. Vendors: ThemeGrill.

Quick answers

Is CVE-2026-25467 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-25467 being exploited in the wild.
How severe is CVE-2026-25467?: Medium severity, with a CVSS score of 5.3, published 29 October 2026.
Which products and versions are affected?: ThemeGrill User Registration through 5.3.0.
Is there a fix for CVE-2026-25467?: Yes: fixed in 5.3.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-25467 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-25467?: 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: 5.3.1

Technical details

The plugin fails to properly sanitize script-related HTML tags in user input, allowing code injection attacks that can add unwanted content to web pages. The vulnerability requires no authentication and can be exploited over the network to inject arbitrary content into affected pages. The issue has been fixed in version 5.3.1.

Affected products

ThemeGrill User Registration through 5.3.0

Timeline

2026-10-29: disclosed

References

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