What’s Vulnerable › Vulnerabilities

CVE-2026-42663: WordPress Simple Membership plugin <= 4.7.2 - 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: 2026-06-15 · updated 2026-10-25
• Weakness: CWE-79

Description

Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.

Affected products

• Simple Membership: through 4.7.2

References

• https://patchstack.com/database/wordpress/plugin/simple-membership/vulnerability/wordpress-simple-membership-plugin-4-7-2-cross-site-scripting-xss-vulnerability?_s_id=cve

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