What is CVE-2025-5844?

CVE-2025-5844 is a medium-severity vulnerability in Techlabpro1 Radius Blocks – Wordpress Gutenberg, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-08-15.

How severe is CVE-2025-5844?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2025-5844 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Techlabpro1 Radius Blocks – Wordpress Gutenberg

CVE-2025-5844

The Radius Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘subHeadingTagName’ parameter in all versions up to, and including, 2.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Techlabpro1 Radius Blocks – Wordpress Gutenberg — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

KeyFrame-Bytes/CVE-2025-5844

References

Frequently asked questions

What is CVE-2025-5844?: CVE-2025-5844 is a medium-severity vulnerability in Techlabpro1 Radius Blocks – Wordpress Gutenberg, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-08-15.
How severe is CVE-2025-5844?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2025-5844 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.