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WordPress plugins

CVE-2026-110721

NotificationX <= 3.3.3 - Missing Authorization to Unauthenticated Arbitrary Content Injection via 'nx_id' Parameter on /popup-submit REST Route

Severity
Medium 5.3
Published
16 Oct 2026
Last changed
16 Oct 2026
Added to UpHeron
3 Nov 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
Notificationx (WordPress plugin)WordPress plugins · wp-plugin:notificationx
  • Every version up to 3.3.3

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-110721