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

Known security issues in the Yoast SEO - Advanced SEO with real-time guidance and built-in AI WordPress plugin, by affected version, with severity, CVE and the version that fixes each one.

Plugin slug: wordpress-seo
Latest version: 28.7
Active installs: 10,000,000+
Known vulnerabilities: 34
Data updated: 2026-10-16 19:07 UTC

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This information comes from public vulnerability databases and may be incomplete or out of date. A plugin with no known vulnerabilities is not proof that it is secure; keep plugins updated and remove the ones you do not use.

Fixed in version 28.1 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 28.1
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name) CVE-2026-15425 · Source	Not rated	-	< 28.1	0000-00-00

Fixed in version 27.2 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 27.2
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 27.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'jsonText' Block Attribute CVE-2026-3427 · Source	Not rated	-	< 27.2	0000-00-00

Fixed in version 26.9 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 26.9
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 26.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'yoast-schema' Block Attribute CVE-2026-1293 · Source	Not rated	-	< 26.9	0000-00-00

Fixed in version 26.6 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 26.6
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 26.5 - Insecure Direct Object Reference to Authenticated (Contributor+) Sensitive Information Exposure via 'post_id' Parameter CVE-2025-14481 · Source	Medium	4.3	< 26.6	2026-05-26

Fixed in version 22.7 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 22.7
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 22.6 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-4984 · Source	Medium	6.4	< 22.7	2024-05-14

Fixed in version 22.6 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 22.6
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress Yoast SEO Plugin <= 22.5 is vulnerable to Cross Site Scripting (XSS) CVE-2024-4041 · Source	Medium	6.1	< 22.6	2024-05-06

Fixed in version 21.1 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 21.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress Yoast SEO Plugin <= 21.0 is vulnerable to Cross Site Scripting (XSS) CVE-2023-40680 · Source	Medium	5.9	< 21.1	2023-11-24

Fixed in version 20.2.1 (2)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 20.2.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress Yoast SEO Plugin <= 20.2 is vulnerable to Cross Site Scripting (XSS) No CVE assigned · Source	Not rated	-	< 20.2.1	2023-03-03
Yoast SEO <= 20.2 - Authenticated (Contributor+) Stored Cross-Site Scripting No CVE assigned · Source	Not rated	-	< 20.2.1	2023-03-02

Fixed in version 17.3 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 17.3
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress Yoast SEO <= 17.2.1 - Unauthenticated Full Path Disclosure vulnerability CVE-2021-25118 · Source	Medium	5.3	< 17.3	2021-10-05

Fixed in version 11.6 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 11.6
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress Yoast SEO plugin 1.2.0-11.5 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability CVE-2019-13478 · Source	Critical	9.8	< 11.6	2019-07-09

Fixed in version 9.2.0 (2)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 9.2.0
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 9.1.0 - Race Condition to Remote Code Execution CVE-2018-19370 · Source	Medium	6.6	< 9.2.0	2018-11-06
WordPress Yoast SEO plugin <= 9.1.0 - Authenticated Command Execution vulnerability No CVE assigned · Source	Not rated	-	< 9.2.0	2018-11-20

Fixed in version 5.8.0 (2)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 5.8.0
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 5.7.1 - Reflected Cross-Site Scripting CVE-2017-16842 · Source	Medium	4.8	< 5.8.0	2017-11-16
WordPress Yoast SEO plugin <=5.7.1 - Unauthenticated Cross-Site Scripting (XSS) vulnerability No CVE assigned · Source	Not rated	-	< 5.8.0	2017-11-20

Fixed in version 3.4.1 (2)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 3.4.1
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 3.4.0 - Authenticated Stored Cross-Site Scripting CVE-2021-24153 · Source	Medium	5.4	< 3.4.1	2016-08-02
WordPress SEO by Yoast Plugin <= 3.4.0 - Cross Site Scripting No CVE assigned · Source	Not rated	-	< 3.4.1	2016-08-03

Fixed in version 3.3.2 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 3.3.2
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress Yoast SEO plugin <= 3.3.1 - Cross-site Request Forgery (CSRF) Vulnerability No CVE assigned · Source	Not rated	-	< 3.3.2	2017-05-11

Fixed in version 3.3.0 (3)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 3.3.0
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress SEO by Yoast Plugin <= 3.2.5 - Cross Site Scripting No CVE assigned · Source	Not rated	-	< 3.3.0	2016-06-14
Yoast SEO <= 3.2.5 - Cross-Site Scripting No CVE assigned · Source	Not rated	-	< 3.3.0	2016-06-14
Yoast SEO <= 3.2.5 - Unspecified Cross-Site Scripting (XSS) No CVE assigned · Source	Not rated	-	< 3.3.0	-

Fixed in version 3.2.5 (3)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 3.2.5
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress SEO by Yoast Plugin <= 3.2.4 - Sensitive Data Exposure No CVE assigned · Source	Not rated	-	< 3.2.5	2016-05-06
Yoast SEO <= 3.2.4 - Sensitive Data Exposure No CVE assigned · Source	Not rated	-	< 3.2.5	2016-05-06
Yoast SEO <= 3.2.4 - Subscriber Settings Sensitive Data Exposure No CVE assigned · Source	Not rated	-	< 3.2.5	-

Fixed in version 2.2 (1)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 2.2
Vulnerability	Severity	CVSS	Affected versions	Published
Yoast SEO <= 2.1.1 - Cross Site Scripting via post_title parameter CVE-2012-6692 · Source	Low	0.0	< 2.2	2012-10-31

Fixed in version 2.1 (2)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 2.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress SEO by Yoast Plugin <= 2.0.1 - Cross Site Scripting No CVE assigned · Source	Not rated	-	< 2.1	2015-04-20
Yoast SEO <= 2.0.1 - Reflected Cross-Site Scripting No CVE assigned · Source	Not rated	-	< 2.1	2015-04-20

Fixed in version 1.7.4 (2)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 1.7.4
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress SEO by Yoast Plugin 1.7.3.3 - Blind SQL Injection CVE-2015-2292 · Source	Low	0.0	< 1.7.4	2015-03-11
WordPress SEO by Yoast Plugin <= 1.7.3 - Multiple Vulnerabilities CVE-2015-2293 · Source	Low	0.0	< 1.7.4	2015-03-10

Fixed in version 1.4.7 (3)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 1.4.7
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress SEO by Yoast Plugin <= 1.4.6 - Bypass No CVE assigned · Source	Not rated	-	< 1.4.7	2016-07-28
Yoast SEO <= 1.4.6 - Missing Authorization No CVE assigned · Source	Not rated	-	< 1.4.7	2014-08-01
Yoast SEO < 1.4.7 - Reset Settings Feature Access Restriction Bypass No CVE assigned · Source	Not rated	-	< 1.4.7	-

Fixed in version 1.4.5 (2)

Yoast SEO - Advanced SEO with real-time guidance and built-in AI: Fixed in version 1.4.5
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress SEO by Yoast Plugin <= 1.4.4 - Unknown Vulnerability No CVE assigned · Source	Not rated	-	< 1.4.5	2016-07-28
Yoast SEO - Security issue which allowed any user to reset settings No CVE assigned · Source	Not rated	-	< 1.4.5	-

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Vulnerability data from WPVulnerability (WordPress, plugins, themes and server software). WPVulnerability data license.
CVE records are copyright The MITRE Corporation. CVE Terms of Use.
Known-exploited status from the CISA Known Exploited Vulnerabilities catalog. Public domain (U.S. Government work).
Plugin names, latest versions and install counts from the WordPress.org plugin directory. WordPress is a trademark of the WordPress Foundation; Webforta is not affiliated with or endorsed by WordPress.org, WPVulnerability or the sources above.