plugin

Convertkit Vulnerabilities

5 known security issues reported for the Convertkit WordPress plugin. Most recent disclosed Jul 22, 2026.

5 medium

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

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The Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 3.3.5. This makes it possible for unauthenticated attackers to perform...

CVSS:
5.3
Affected:
up to 3.3.5
Fixed in:
3.3.6
Disclosed:
Jul 22, 2026

CVE-2026-65472 on NVD →

ConvertKit <= 2.4.9 - Missing Authorization

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The ConvertKit – Email Newsletter, Email Marketing, Subscribers and Landing Pages plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the tag_subscriber function in all versions up to, and including, 2.4.9. This makes it possible for unauthenticated attackers to...

CVSS:
5.3
Affected:
up to 2.4.9
Fixed in:
2.4.9.1
Disclosed:
Jun 20, 2024

CVE-2024-3961 on NVD →

ConvertKit <= 2.4.5 - Unauthenticated Sensitive Information Exposure

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The ConvertKit – Email Newsletter, Email Marketing, Subscribers and Landing Pages plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.4.5 via log files. This makes it possible for unauthenticated attackers to extract sensitive data from log files.

CVSS:
5.3
Affected:
up to 2.4.5
Fixed in:
2.4.6
Disclosed:
Apr 5, 2024

CVE-2024-31245 on NVD →

ConvertKit <= 2.2.0 - Reflected Cross-Site Scripting

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TheConvertKit plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'page' parameter in versions up to, and including, 2.2.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if th...

CVSS:
6.1
Affected:
up to 2.2.0
Fixed in:
2.2.1
Disclosed:
May 15, 2023

CVE-2023-2337 on NVD →

ConvertKit <= 2.0.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

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The ConvertKit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in versions up to, and including, 2.0.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor level and above...

CVSS:
6.4
Affected:
up to 2.0.4
Fixed in:
2.0.5
Disclosed:
Dec 23, 2022

CVE-2022-4508 on NVD →

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