How severe is CVE-2025-6851?

CVE-2025-6851 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-6851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6851?

CVE-2025-6851 affects Pluginrx Broken Link Notifier. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6851?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-6851 have an EU (EUVD) identifier?

Yes. CVE-2025-6851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21125.

When was CVE-2025-6851 published?

CVE-2025-6851 was published on 2025-07-11 and last updated on 2026-06-17.

CVE-2025-6851

CVE-2025-6851 is a high-severity vulnerability in Pluginrx Broken Link Notifier with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21125
Weakness: CWE-918
Affected product: Pluginrx Broken Link Notifier
Published: 2025-07-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 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.
How severe is CVE-2025-6851?: CVE-2025-6851 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-6851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6851?: CVE-2025-6851 affects Pluginrx Broken Link Notifier. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-6851 have an EU (EUVD) identifier?: Yes. CVE-2025-6851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21125.
When was CVE-2025-6851 published?: CVE-2025-6851 was published on 2025-07-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pluginrx:broken_link_notifier:*:*:*:*:*:wordpress:*:*

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