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

published 2026-11-11 23h ago modified 2026-11-11 22h ago also EUVD-2026-123374

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: —; no EPSS score yet
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Kit Kit (formerly ConvertKit) 3.5.1

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CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

Kit Kit (formerly ConvertKit)

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/convertkit/vulnerability/wordpress-kit-formerly-convertkit-plugin-3-5-0-broken-acce
vdb-entry

Sources

CVE List CVE-2026-125439
NVD CVE-2026-125439

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