What’s Vulnerable › Vulnerabilities

CVE-2019-11869

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-05-09 · updated 2026-06-17
• Weakness: CWE-79

Description

The Yuzo Related Posts plugin 5.12.94 for WordPress has XSS because it mistakenly expects that is_admin() verifies that the request comes from an admin user (it actually only verifies that the request is for an admin page). An unauthenticated attacker can inject a payload into the plugin settings, such as the yuzo_related_post_css_and_style setting.

Affected products

• Yuzopro Yuzo: 5.12.94

References

• https://wpvulndb.com/vulnerabilities/9254
• https://www.pluginvulnerabilities.com/2019/03/30/wordpress-plugin-team-paints-target-on-exploitable-settings-change-vulnerability-that-permits-persistent-xss-in-related-posts/
• https://www.wordfence.com/blog/2019/04/yuzo-related-posts-zero-day-vulnerability-exploited-in-the-wild/
• https://wpvulndb.com/vulnerabilities/9254
• https://www.pluginvulnerabilities.com/2019/03/30/wordpress-plugin-team-paints-target-on-exploitable-settings-change-vulnerability-that-permits-persistent-xss-in-related-posts/
• https://www.wordfence.com/blog/2019/04/yuzo-related-posts-zero-day-vulnerability-exploited-in-the-wild/

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