CVE-2024-3665

Medium

Published: 23 April 2024

Published

23 April 2024

Modified

08 April 2026

KEV Added

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Patch

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CVSS Score v3.1 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS Score 0.0012 30.9th percentile

Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-3665 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Rankmath Seo. Its CVSS base score is 6.4 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 30.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2024-32240

Vulnerability details

The Rank Math SEO with AI SEO Tools plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's HowTo and FAQ widgets in all versions up to, and including, 1.0.216 due to insufficient input sanitization and output escaping…

on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

T1539 Steal Web Session Cookie Credential Access

An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.

attack.mitre.org →

T1555.003 Credentials from Web Browsers Credential Access

Adversaries may acquire credentials from web browsers by reading files specific to the target browser.

attack.mitre.org →

Why these techniques?

The stored XSS vulnerability in the WordPress plugin enables authenticated low-privilege attackers to inject and persistently store arbitrary JavaScript in pages, which executes client-side for any viewing user, facilitating public-facing web app exploitation, JavaScript command execution, and theft of web session cookies/browser credentials.