CVE-2024-4335

Medium

Published: 14 May 2024

Published

14 May 2024

Modified

08 April 2026

KEV Added

—

Patch

—

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 0.0017 38.3th percentile

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

Summary

CVE-2024-4335 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 Drive-by Compromise (T1189); ranked at the 38.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2024-43976

Vulnerability details

The Rank Math SEO with AI Best SEO Tools plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘textAlign’ parameter in versions up to, and including, 1.0.217 due to insufficient input sanitization and output escaping. This makes it…

possible for authenticated attackers, with contributor-level permissions 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

T1189 Drive-by Compromise Initial Access

Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.

attack.mitre.org →

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 →

T1203 Exploitation for Client Execution Execution

Adversaries may exploit software vulnerabilities in client applications to execute code.

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?

Stored XSS enables arbitrary JavaScript execution in users' browsers (T1059.007, T1203), drive-by compromise (T1189), exploitation of public-facing web app (T1190), and theft of session cookies/credentials (T1539, T1555.003).