What is CVE-2025-6851?

CVE-2025-6851 is a high-severity vulnerability in Apos37 Broken Link Notifier, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.2/10. Published 2025-07-11.

How severe is CVE-2025-6851?

High severity. CVSS v3 base score is 7.2 out of 10.

SSRF in Apos37 Broken Link Notifier

CVE-2025-6851

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 i…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.006 (45.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Apos37 Broken Link Notifier — versions 0
Pluginrx Broken_link_notifier

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2025-6851?: CVE-2025-6851 is a high-severity vulnerability in Apos37 Broken Link Notifier, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.2/10. Published 2025-07-11.
How severe is CVE-2025-6851?: High severity. CVSS v3 base score is 7.2 out of 10.