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CVE-2021-36869: WordPress Ivory Search plugin <= 4.6.6 - Reflected Cross-Site Scripting (XSS) vulnerability

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-21 · updated 2026-06-17
• Weakness: CWE-79

Description

Reflected Cross-Site Scripting (XSS) vulnerability in WordPress Ivory Search plugin (versions <= 4.6.6). Vulnerable parameter: &post.

Affected products

• vinod-dalvi Ivory Search – WordPress Search Plugin: through 4.6.6

References

• https://patchstack.com/database/vulnerability/add-search-to-menu/wordpress-ivory-search-plugin-4-6-6-reflected-cross-site-scripting-xss-vulnerability
• https://wordpress.org/plugins/add-search-to-menu/#developers
• https://patchstack.com/database/vulnerability/add-search-to-menu/wordpress-ivory-search-plugin-4-6-6-reflected-cross-site-scripting-xss-vulnerability
• https://wordpress.org/plugins/add-search-to-menu/#developers

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