What’s Vulnerable › Vulnerabilities

CVE-2023-40680: WordPress Yoast SEO Plugin <= 21.0 is vulnerable to Cross Site Scripting (XSS)

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-30 · updated 2026-06-17
• Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Team Yoast Yoast SEO allows Stored XSS.This issue affects Yoast SEO: from n/a through 21.0.

Affected products

• Yoast SEO: Local: through 21.0

References

• https://patchstack.com/database/vulnerability/wordpress-seo/wordpress-yoast-seo-plugin-21-0-cross-site-scripting-xss-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/wordpress-seo/wordpress-yoast-seo-plugin-21-0-cross-site-scripting-xss-vulnerability?_s_id=cve

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