CVE-2024-3961: 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 ta...

Summary

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 unauthent...

What to do

Update convertkit convertkit_-_email_marketing\,_email_newsletter_and_landing_pages to version 2.4.9.1 or later.

Affected software

Vendor	Product	Affected versions
convertkit	convertkit_-_email_marketing\,_email_newsletter_and_landing_pages	< 2.4.9.1 `cpe:2.3:a:convertkit:convertkit_-_email_marketing\,_email_newsletter_and_landing_pages::::::wordpress::*`

Original advisory text

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 ta...

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.

References

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new... Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/79d828b8-aea2-4705-ae2... Third Party Advisory