PT-2025-33457 · WordPress · Radius Blocks

Peter Thaleikis · Published 2025-08-15 · Updated 2025-08-15 · CVE-2025-5844

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Radius Blocks plugin for WordPress versions up to and including 2.2.1

Description: The Radius Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the subHeadingTagName parameter due to insufficient input sanitization and output escaping. This allows authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute whenever a user accesses the injected page.

Recommendations: Update the Radius Blocks plugin to a version later than 2.2.1.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-5844

Affected Products

Radius Blocks

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-5844 · Security Note
• https://t.me/CVEtracker/30102 · Telegram Post
• https://wordpress.org/plugins/radius-blocks/#developers · Note
• https://twitter.com/CVEnew/status/1956289008906199481 · Twitter Post
• https://plugins.trac.wordpress.org/browser/radius-blocks/tags/2.2.1/templates/blocks/advanced-heading/layout.php#L29 · Note
• https://twitter.com/VulmonFeeds/status/1956322697715048678 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/ff41796a-0ba8-468f-8b79-274064da154e?source=cve · Note
• https://t.me/cveNotify/132409 · Telegram Post