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CVE-2026-125439

WordPress Kit (formerly ConvertKit) plugin <= 3.5.0 - Broken Access Control vulnerability

Severity
Medium 5.3
Published
11 Nov 2026
Last changed
11 Nov 2026
Added to UpHeron
11 Nov 2026
Weakness
Missing authorization (CWE-862)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Sources
CVE Program

Description

Missing Authorization vulnerability in Kit Kit (formerly ConvertKit) convertkit allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Kit (formerly ConvertKit): from n/a through 3.5.0.

From the CVE Program.

Affected software

SoftwareAffected versions
Convertkit (WordPress plugin)WordPress plugins · wp-plugin:convertkit
  • Every version up to 3.5.0

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-125439