CVE-2024-1161: 
WordPress vulnerability analysis and mitigation

The Brizy – Page Builder plugin for WordPress (CVE-2024-1161) contains a Stored Cross-Site Scripting vulnerability affecting all versions up to and including 2.4.43. The vulnerability was discovered and reported by Wordfence, with the CVE being assigned on February 1, 2024 (MITRE CVE).

The vulnerability stems from insufficient input sanitization and output escaping in the plugin's Custom Attributes for blocks feature. The issue has been assigned a CVSS v3.1 base score of 5.4 (Medium) by NIST with a vector string of CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, while Wordfence assessed it at 6.4 (Medium) with a vector string of 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) (NVD Database).

When exploited, this vulnerability allows authenticated attackers with contributor-level permissions or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page (NVD Database).

The vulnerability requires an authenticated user with at least contributor-level permissions to exploit. The attack complexity is considered low, requiring network access and no special conditions for exploitation (NVD Database).

A patch has been released to address this vulnerability. Users should upgrade their Brizy – Page Builder plugin to a version newer than 2.4.43 (WordPress Patch).