Yoast SEO <= 22.5 - Reflected Cross-Site Scripting

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6.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-4041
CVSS 6.1 (Medium)
Publicly Published May 6, 2024
Last Updated May 9, 2024
Researcher Bassem Essam

Description

The Yoast SEO plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URLs in all versions up to, and including, 22.5 due to insufficient input sanitization and output escaping. 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.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Yoast SEO – Advanced SEO with real-time guidance and built-in AI

Yoast SEO – Advanced SEO with real-time guidance and built-in AI

Software Type Plugin
Software Slug wordpress-seo (view on wordpress.org)
Patched? Yes
Remediation Update to version 22.6, or a newer patched version
Affected Version
  • <= 22.5
Patched Version
  • 22.6

Recent vulnerabilities in Yoast SEO – Advanced SEO with real-time guidance and built-in AI

Yoast SEO <= 26.5 - Insecure Direct Object Reference to Authenticated (Contributor+) Sensitive Information Exposure via 'post_id' Parameter
4.3
CVE-2025-14481
May 26, 2026
Researcher: NumeX
Yoast SEO <= 27.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'jsonText' Block Attribute
6.4
CVE-2026-3427
Mar 21, 2026
Researcher: Osvaldo Noe Gonzalez Del Rio (Os)
Yoast SEO <= 26.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'yoast-schema' Block Attribute
6.4
CVE-2026-1293
Feb 5, 2026
Researcher: suyoung kim(AhnLab)
Yoast SEO <= 22.6 - Authenticated (Contributor+) Stored Cross-Site Scripting
6.4
CVE-2024-4984
May 14, 2024
Researcher: rob006
Yoast SEO <= 21.0 - Authenticated (Seo Manager+) Stored Cross-Site Scripting
5.5
CVE-2023-40680
Nov 24, 2023
Researcher: Rafie Muhammad
Yoast SEO <= 20.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
6.4
CVE ID Unknown
Mar 2, 2023
Researcher: Leonidas Milosis
Yoast SEO <= 17.2 - Full Path Disclosure
5.3
CVE-2021-25118
Oct 5, 2021
Researcher: Fariq Fadillah Gusti Insani (fariqfgi)
Yoast SEO <= 11.5 - Authenticated Stored Cross Site Scripting
6.4
CVE-2019-13478
Jul 9, 2019
Researcher: Sybre Waaijer
Yoast SEO <= 9.1.0 - Race Condition to Remote Code Execution
6.6
CVE-2018-19370
Nov 6, 2018
Researchers:
Yoast SEO <= 5.7.1 - Reflected Cross-Site Scripting
6.1
CVE-2017-16842
Nov 22, 2017
Researcher: Elias Dimopoulos
# Title CVE ID CVSS Researchers Date
1 Yoast SEO <= 26.5 - Insecure Direct Object Reference to Authenticated (Contributor+) Sensitive Information Exposure via 'post_id' Parameter CVE-2025-14481 4.3 NumeX May 26, 2026
2 Yoast SEO <= 27.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'jsonText' Block Attribute CVE-2026-3427 6.4 Osvaldo Noe Gonzalez Del Rio (Os) March 21, 2026
3 Yoast SEO <= 26.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'yoast-schema' Block Attribute CVE-2026-1293 6.4 suyoung kim(AhnLab) February 5, 2026
4 Yoast SEO <= 22.6 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-4984 6.4 rob006 May 14, 2024
5 Yoast SEO <= 21.0 - Authenticated (Seo Manager+) Stored Cross-Site Scripting CVE-2023-40680 5.5 Rafie Muhammad November 24, 2023
6 Yoast SEO <= 20.2 - Authenticated (Contributor+) Stored Cross-Site Scripting 6.4 Leonidas Milosis March 2, 2023
7 Yoast SEO <= 17.2 - Full Path Disclosure CVE-2021-25118 5.3 Fariq Fadillah Gusti Insani (fariqfgi) October 5, 2021
8 Yoast SEO <= 11.5 - Authenticated Stored Cross Site Scripting CVE-2019-13478 6.4 Sybre Waaijer July 9, 2019
9 Yoast SEO <= 9.1.0 - Race Condition to Remote Code Execution CVE-2018-19370 6.6 November 6, 2018
10 Yoast SEO <= 5.7.1 - Reflected Cross-Site Scripting CVE-2017-16842 6.1 Elias Dimopoulos November 22, 2017
View more vulnerabilities in this software package View more vulnerabilities

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