Vulnerability Description
The Broken Link Notifier plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.3.0 via the ajax_blinks() function which ultimately calls the check_url_status_code() function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pluginrx | Broken Link Notifier | < 1.3.1 |
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&oldPatch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/0f76c9f8-c57a-4875-b58Third Party Advisory
FAQ
What is CVE-2025-6851?
CVE-2025-6851 is a vulnerability with a CVSS score of 7.2 (HIGH). The Broken Link Notifier plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.3.0 via the ajax_blinks() function which ultimately calls the check_u...
How severe is CVE-2025-6851?
CVE-2025-6851 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-6851?
Check the references section above for vendor advisories and patch information. Affected products include: Pluginrx Broken Link Notifier.