What’s Vulnerable › Vulnerabilities

CVE-2019-13478

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-09 · updated 2026-06-17
• Weakness: CWE-79

Description

The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.

Affected products

• Yoast SEO: Local: before 11.6; 11.6-rc1, 11.6-rc2, 11.6-rc3, 11.6-rc4 — fixed in 11.6

How to fix

Upgrade to a fixed version: Yoast SEO: Local 11.6. Check the vendor advisory for mitigations.

References

• https://github.com/Yoast/wordpress-seo/releases/tag/11.6-RC5
• https://wpvulndb.com/vulnerabilities/9445
• https://github.com/Yoast/wordpress-seo/releases/tag/11.6-RC5
• https://wpvulndb.com/vulnerabilities/9445

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