What is CVE-2024-3961?

CVE-2024-3961 is a medium-severity vulnerability in Convertkit - Email Marketing\, Newsletter And Landing Pages, classified under Missing Authorization. CVSS score: 5.3/10. Published 2024-06-21.

How severe is CVE-2024-3961?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Convertkit - Email Marketing\, Newsletter And Landing Pages

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 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.

Vulnerability class: Broken Access Control

EPSS: 0.004 (29.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Product)

Frequently asked questions

What is CVE-2024-3961?: CVE-2024-3961 is a medium-severity vulnerability in Convertkit - Email Marketing\, Newsletter And Landing Pages, classified under Missing Authorization. CVSS score: 5.3/10. Published 2024-06-21.
How severe is CVE-2024-3961?: Medium severity. CVSS v3 base score is 5.3 out of 10.