CVE-2024-8981 (CVSS 7.1)

Description

The Broken Link Checker plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg in /app/admin-notices/features/class-view.php without appropriate escaping on the URL in all versions up to, and including, 2.4.0. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-80 CWE-80

References

Other References

https://plugins.trac.wordpress.org/browser/broken-link-checker/tags/2.4.0/app/admin-notices/features/class-view.php#L43 https://plugins.trac.wordpress.org/changeset/3159860/broken-link-checker/trunk/app/admin-notices/features/class-view.php https://www.wordfence.com/threat-intel/vulnerabilities/id/429fe34a-5fa9-4032-9b21-4de114dbc9d1?source=cve

Frequently Asked Questions

What is CVE-2024-8981? +

The Broken Link Checker plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg in /app/admin-notices/features/class-view.php without appropriate escaping on the URL in all versions up to, and including, 2.4.0. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-8981? +

CVE-2024-8981 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-8981? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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