Yoast SEO Premium

Yoast SEO Premium has 4 disclosed vulnerabilities in the WordSec catalog, reported between 2023 and 2026; all 4 are fixed as of October 2026. Their average CVSS score is 6.2, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 1 high. 2026 was the busiest year with 2 disclosures.

The most common weakness is Missing Authorization, behind 2 of the records (50%). Other recurring categories include Code Injection, Improper Neutralization Of Script-Related HTML Tags In A Web Page (Basic XSS).

Every one of the 4 issues recorded for Yoast SEO Premium has a vendor fix available, so running the current release closes all known holes.

4 independent researchers contributed these findings, one record each.

Strategic Overview

Avg CVSSMedium

6.2/ 10

Patch Coverage100%

Open

Fixed

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Highest severity on recordCVSS 8.8CVE-2026-10821

Yoast SEO Premium <= 27.6.0 - Authenticated (Author+) Remote Code Execution

Read the full analysis

Vulnerability Records

4 records


2026-06-04 00:00	Yoast SEO Premium <= 27.6.0 - Authenticated (Author+) Remote Code Execution Yoast SEO Premium <= 27.6.0	`CVE-2026-10821`	8.8 High	Tin Pham	Yes
2026-01-15 00:00	Yoast SEO Premium <= 26.6 - Missing Authorization Yoast SEO Premium <= 26.6	`CVE-2026-40722`	4.3 Medium	ilicfilip	Yes
2025-10-02 00:00	Yoast SEO Premium 25.7-25.9 - Authenticated (Contributor+) Stored Cross-Site Scripting Yoast SEO Premium 25.7 – 25.9	`CVE-2025-11241`	6.4 Medium	stealthcopter	Yes
2023-05-09 00:00	Yoast SEO Premium <= 20.4 - Missing Authorization to Zapier Key Reset Yoast SEO Premium <= 20.4	`CVE-2023-28775`	5.3 Medium	Rafie Muhammad	Yes

Showing 1–4 of 4 reports