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WordPress plugins

CVE-2026-75962

Post SMTP <= 4.0.1 - Unauthenticated Stored DOM-Based Cross-Site Scripting via 'user_email' Parameter (Multisite Registration → Failed Email Log)

Severity
High 7.2
Published
6 Oct 2026
Last changed
9 Oct 2026
Added to UpHeron
3 Nov 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
Post Smtp (WordPress plugin)WordPress plugins · wp-plugin:post-smtp
  • Every version up to 4.0.1

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-75962