CVE-2024-2536: CWE-20 Improper Input Validation in rankmath Rank Math SEO – AI SEO Tools to Dominate SEO Rankings
The Rank Math SEO with AI SEO Tools plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HowTo block attributes in all versions up to, and including, 1.0.214 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.
AI Analysis
Technical Summary
CVE-2024-2536 is a stored cross-site scripting vulnerability in the Rank Math SEO – AI SEO Tools WordPress plugin, affecting all versions up to 1.0.214. The issue stems from improper input validation (CWE-20) in the HowTo block attributes, allowing authenticated users with contributor-level privileges or above to inject arbitrary JavaScript code. This code executes in the context of any user who views the compromised page, potentially leading to session hijacking or other client-side attacks. The vulnerability requires no user interaction beyond viewing the injected page and has a CVSS 3.1 base score of 6.4 (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N).
Potential Impact
An attacker with contributor-level or higher access can inject malicious scripts into pages via the HowTo block attributes. These scripts execute in the browsers of users who view the infected pages, potentially compromising user sessions or performing unauthorized actions within the context of the affected site. The vulnerability does not allow direct denial of service or privilege escalation but can lead to client-side compromise. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch or official fix is released, restrict contributor-level access to trusted users only and consider disabling or limiting use of the HowTo block attributes in the Rank Math SEO plugin. Monitor official Rank Math communications for updates and apply any released patches promptly.
CVE-2024-2536: CWE-20 Improper Input Validation in rankmath Rank Math SEO – AI SEO Tools to Dominate SEO Rankings
Description
The Rank Math SEO with AI SEO Tools plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HowTo block attributes in all versions up to, and including, 1.0.214 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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-2536 is a stored cross-site scripting vulnerability in the Rank Math SEO – AI SEO Tools WordPress plugin, affecting all versions up to 1.0.214. The issue stems from improper input validation (CWE-20) in the HowTo block attributes, allowing authenticated users with contributor-level privileges or above to inject arbitrary JavaScript code. This code executes in the context of any user who views the compromised page, potentially leading to session hijacking or other client-side attacks. The vulnerability requires no user interaction beyond viewing the injected page and has a CVSS 3.1 base score of 6.4 (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N).
Potential Impact
An attacker with contributor-level or higher access can inject malicious scripts into pages via the HowTo block attributes. These scripts execute in the browsers of users who view the infected pages, potentially compromising user sessions or performing unauthorized actions within the context of the affected site. The vulnerability does not allow direct denial of service or privilege escalation but can lead to client-side compromise. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch or official fix is released, restrict contributor-level access to trusted users only and consider disabling or limiting use of the HowTo block attributes in the Rank Math SEO plugin. Monitor official Rank Math communications for updates and apply any released patches promptly.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-03-15T16:52:47.940Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6db2b7ef31ef0b58af5d
Added to database: 2/25/2026, 9:46:26 PM
Last enriched: 4/9/2026, 2:03:29 PM
Last updated: 4/12/2026, 7:40:02 AM
Views: 15
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