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

Plugin slug wordpress-seo · 20 known vulnerabilities · latest disclosed 2026-07-24 · WordPress.org page

Every listed vulnerability has a fix. Version 28.1 or later is not affected by any of them. If your site runs an older version, update it.

2 of 20 rated high or critical (CVSS 7 or more).

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

SeverityAffected versionsFixed inCVEPublishedDetails
Medium 6.4<= 28.028.1CVE-2026-154252026-07-24Advisory
Medium 4.3<= 26.526.6CVE-2025-144812026-05-26Advisory
Medium 6.4<= 27.1.127.2CVE-2026-34272026-03-21Advisory
Medium 6.4<= 26.826.9CVE-2026-12932026-02-05Advisory
Medium 6.4<= 22.622.7CVE-2024-49842024-05-14Advisory
Medium 6.1<= 22.522.6CVE-2024-40412024-05-06Advisory
Medium 5.5<= 21.021.1CVE-2023-406802023-11-24Advisory
Medium 6.4<= 20.220.2.1none2023-03-02Advisory
Medium 5.3< 17.317.3CVE-2021-251182021-10-05Advisory
Medium 6.4<= 11.511.6-RC5CVE-2019-134782019-07-09Advisory
Medium 6.6<= 9.1.09.2.0CVE-2018-193702018-11-06Advisory
Medium 6.1<= 5.7.15.8.0CVE-2017-168422017-11-22Advisory
Medium 5.4< 3.4.13.4.1CVE-2021-241532016-08-02Advisory
Medium 4.7<= 3.2.53.3.0none2016-06-14Advisory
Medium 5.3<= 3.2.43.2.5none2016-05-06Advisory
Medium 6.1< 2.12.1none2015-04-20Advisory
High 8.8<= 1.5.6, 1.6 to 1.6.3, 1.7 to 1.7.31.5.7CVE-2015-22922015-03-11Advisory
High 7.5<= 1.5.6, 1.6 to 1.6.3, 1.7 to 1.7.3.31.5.7CVE-2015-22932015-03-10Advisory
Medium 6.5<= 1.4.61.4.7none2014-08-01Advisory
Medium 6.1<= 2.1.12.2CVE-2012-66922012-10-31Advisory

Check if a site is affected

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Questions

Is the Yoast SEO – Advanced SEO with real-time guidance and built-in AI plugin safe to use?

All 20 known issues are fixed in current versions (28.1 or later). Keeping it updated is what matters.

How do I check which version of Yoast SEO – Advanced SEO with real-time guidance and built-in AI my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

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