What’s Vulnerable › Vulnerabilities

CVE-2026-66640: WordPress Login With Ajax plugin <= 4.5.1 - Cross Site Scripting (XSS) vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-18 · updated 2026-10-22
• Weakness: CWE-79

Description

Contributor Cross Site Scripting (XSS) in Login With Ajax <= 4.5.1 versions.

Affected products

• Marcus (aka @msykes) Login With Ajax: through 4.5.1

References

• https://patchstack.com/database/wordpress/plugin/login-with-ajax/vulnerability/wordpress-login-with-ajax-plugin-4-5-1-cross-site-scripting-xss-vulnerability?_s_id=cve

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