CVE-2025-22734: 
WordPress vulnerability analysis and mitigation

The Posts Footer Manager WordPress plugin contains a Stored Cross-Site Scripting (XSS) vulnerability (CVE-2025-22734) discovered on January 14, 2025. This vulnerability affects versions up to and including 2.1.0 of the Posts Footer Manager plugin, allowing authenticated users with administrator-level access to inject malicious web scripts (WPScan, Patchstack).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) and has received multiple CVSS scores: 5.9 (Medium) according to Patchstack's assessment (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L) and 4.4 according to other sources. The issue stems from insufficient input sanitization and output escaping in the plugin, particularly affecting multi-site installations and installations where unfiltered_html has been disabled (WPScan).

When exploited, this vulnerability allows authenticated attackers with administrator-level access to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses an injected page, potentially leading to unauthorized actions, data theft, or other malicious activities (Patchstack).

The vulnerability has been fixed in version 2.2.0 of the Posts Footer Manager plugin. Users are advised to update to this version or later to remove the vulnerability. Patchstack users can enable auto-update for vulnerable plugins as an additional security measure (Patchstack).