CVE-2024-3961

5.3 · MEDIUM

Published Jun 21, 2024 convertkit CWE-862 EPSS 0.37% (30th pctl) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Overview

CVE-2024-3961 is a medium-severity vulnerability affecting convertkit convertkit_-_email_marketing\,_email_newsletter_and_landing_pages. It was published on June 21, 2024 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

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 subscribe users to tags. Financial damages may occur to site owners if their API quota is exceeded.

Remediation

Check the references section for vendor advisories and patches from convertkit. Update convertkit_-_email_marketing\,_email_newsletter_and_landing_pages to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor	Product	Versions	Status
convertkit	convertkit_-_email_marketing\,_email_newsletter_and_landing_pages	>= 0, < 2.4.9.1	Affected

References

Ref plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3104932%40convertkit%2Ftrunk&old=3085997%40convertkit%2Ftrunk&sfp_email=&sfph_mail= Ref www.wordfence.com/threat-intel/vulnerabilities/id/79d828b8-aea2-4705-ae23-ac70133a6c3e?source=cve Ref plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3104932%40convertkit%2Ftrunk&old=3085997%40convertkit%2Ftrunk&sfp_email=&sfph_mail= Ref www.wordfence.com/threat-intel/vulnerabilities/id/79d828b8-aea2-4705-ae23-ac70133a6c3e?source=cve

Frequently Asked Questions

What is CVE-2024-3961?

How severe is CVE-2024-3961?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-3961?

How can CyberStrike help with CVE-2024-3961?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-3961 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

AI agents map your attack surface to find vulnerabilities like this one.

Continuous Pentesting

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Code Review

AI-driven PR review catches vulnerable dependencies before they ship.

HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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