Description

The Link Fixer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via broken links in all versions up to, and including, 3.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Classification

CVE ID: CVE-2025-0809

CVSS Base Severity: HIGH

CVSS Base Score: 7.2

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Affected Products

Vendor: kpgraham

Product: Link Fixer

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 19.75% (scored less or equal to compared to others)

EPSS Date: 2025-03-01 (when was this score calculated)

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/37198f2f-2b45-40d3-b4ae-aa94213996bd?source=cve
https://wordpress.org/plugins/permalink-finder/

Timeline