Threat intelligence

Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages <= 3.3.5 - Missing Authorization

CVE-2026-65472 · convertkit

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Convertkit at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages <= 3.3.5 - Missing Authorization
Affected software: convertkit(Plugin)
Affected versions: ≤ 3.3.5
Authentication: Not specified in feed title — see source advisory
Vulnerability type: Other
CVE: CVE-2026-65472
Published: 22 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 49ff8aca-7f95-4cab-b031-3fda6d80a23b). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Convertkit version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Convertkit advisoriesBack to catalog