CVE-2025-0809 is a stored cross-site scripting vulnerability in the kpgraham Link Fixer WordPress plugin. The flaw arises from improper neutralization of input during web page generation, specifically in handling broken links. This allows unauthenticated attackers to inject malicious scripts that execute in the context of users visiting the compromised pages. The vulnerability affects all versions up to and including 3.4. The CVSS 3.1 base score is 7.2, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality and integrity with no availability impact.

Successful exploitation can lead to execution of arbitrary scripts in the context of users visiting affected pages, potentially resulting in data theft, session hijacking, or other malicious actions impacting confidentiality and integrity. There is no indication of availability impact. The vulnerability does not require authentication or user interaction to exploit.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix is documented, users should monitor the vendor's communications for updates. Until a fix is available, consider disabling or removing the Link Fixer plugin if feasible to mitigate risk.