Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-5844
CVE-2025-5844:
WordPress vulnerability analysis and mitigation
Overview
The Radius Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'subHeadingTagName' parameter in versions up to and including 2.2.1. The vulnerability was discovered and disclosed on August 14, 2025, affecting the WordPress plugin that provides 47 blocks for website content creation (Wordfence, WordPress Plugin).
Technical details
The vulnerability stems from insufficient input sanitization and output escaping in the plugin's handling of the 'subHeadingTagName' parameter. The issue has been assigned a CVSS v3.1 base score of 6.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD).
Impact
When exploited, this vulnerability allows authenticated attackers with Contributor-level access and above to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page, potentially leading to unauthorized data access or manipulation of website content (NVD).
Mitigation and workarounds
As of August 14, 2025, the plugin has been temporarily closed and is not available for download pending a full security review. Users are advised to disable the plugin until a patched version is released (WordPress Plugin).
Additional resources
Source: This report was generated using AI
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