CVE-2024-49261: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in LOOS,Inc. Arkhe Blocks WordPress plugin, affecting versions up to 2.23.0. The vulnerability was reported on October 14, 2024, by researcher João Pedro Soares de Alcântara and was assigned CVE-2024-49261. The issue was fixed in version 2.27.0 (WPScan, Patchstack).

The vulnerability is classified as a Stored Cross-Site Scripting (CWE-79) issue due to insufficient input sanitization and output escaping in the plugin. The CVSS v3.1 base score is 6.5 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L (NVD, Patchstack).

The vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page, potentially leading to the injection of malicious redirects, advertisements, and other HTML payloads (Patchstack, WPScan).

Users are advised to update the Arkhe Blocks plugin to version 2.27.0 or later to remediate this vulnerability. The security issue has been assessed as having a low severity impact and is considered unlikely to be exploited (Patchstack).