Yoast SEO <= 9.1.0 - Race Condition to Remote Code Execution

Wordfence Intelligence   >   Vulnerability Database   >   Yoast SEO <= 9.1.0 - Race Condition to Remote Code Execution
6.6
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE CVE-2018-19370
CVSS 6.6 (Medium)
Publicly Published November 6, 2018
Last Updated January 22, 2024

Description

A Race condition vulnerability in unzip_file in admin/import/class-import-settings.php in the Yoast SEO (wordpress-seo) plugin before 9.2.0 for WordPress allows an SEO Manager to perform command execution on the Operating System via a ZIP import.

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 9.2.0, or a newer patched version
Affected Version
  • <= 9.1.0
Patched Version
  • 9.2.0

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

Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name)
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CVE-2026-15425
Jul 24, 2026
Researcher: Dmitrii Ignatyev
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
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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
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CVE-2024-4984
May 14, 2024
Researcher: rob006
Yoast SEO <= 22.5 - Reflected Cross-Site Scripting
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CVE-2024-4041
May 6, 2024
Researcher: Bassem Essam
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
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CVE-2019-13478
Jul 9, 2019
Researcher: Sybre Waaijer
# Title CVE ID CVSS Researchers Date
1 Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name) CVE-2026-15425 6.4 Dmitrii Ignatyev July 24, 2026
2 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
3 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
4 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
5 Yoast SEO <= 22.6 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-4984 6.4 rob006 May 14, 2024
6 Yoast SEO <= 22.5 - Reflected Cross-Site Scripting CVE-2024-4041 6.1 Bassem Essam May 6, 2024
7 Yoast SEO <= 21.0 - Authenticated (Seo Manager+) Stored Cross-Site Scripting CVE-2023-40680 5.5 Rafie Muhammad November 24, 2023
8 Yoast SEO <= 20.2 - Authenticated (Contributor+) Stored Cross-Site Scripting 6.4 Leonidas Milosis March 2, 2023
9 Yoast SEO <= 17.2 - Full Path Disclosure CVE-2021-25118 5.3 Fariq Fadillah Gusti Insani (fariqfgi) October 5, 2021
10 Yoast SEO <= 11.5 - Authenticated Stored Cross Site Scripting CVE-2019-13478 6.4 Sybre Waaijer July 9, 2019
View more vulnerabilities in this software package View more vulnerabilities

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