CVE-2025-0809: 
WordPress vulnerability analysis and mitigation

The Link Fixer plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2025-0809) discovered on January 31, 2025. This vulnerability affects all versions up to and including version 3.4 of the plugin. The plugin was temporarily closed on January 30, 2025, pending a full security review (WordPress Plugin).

The vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue, tracked as CWE-79 (Improper Neutralization of Input During Web Page Generation). It has received a CVSS v3.1 base score of 7.2 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N. The vulnerability stems from insufficient input sanitization and output escaping in the handling of broken links (NVD).

When exploited, this vulnerability allows unauthenticated attackers to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses an injected page, potentially leading to data theft, session hijacking, or other client-side attacks (NVD).

The plugin has been temporarily closed from the WordPress plugin repository as of January 30, 2025, pending a full security review. Users are advised to disable and remove the plugin until a patched version becomes available (WordPress Plugin).