CVE-2024-3961

ConvertKit <= 2.4.9 - Missing Authorization

Published Jun 21, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-32527 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:convertkit:convertkit_-_email_marketing\,_email_newsletter_and_landing_pages:-:*:*:*:*:wordpress:*:*
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:02 PM
Reserved
Apr 18, 2024, 4:42 PM
Status
Modified
Published
Jun 21, 2024, 4:15 AM
Modified
Jun 17, 2026, 7:45 AM