ConvertKit <= 2.4.9 - Missing Authorization
Summary
| CVE | CVE-2024-3961 |
|---|---|
| State | PUBLISHED |
| Assigner | Wordfence |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2024-06-21 04:15:11 UTC |
| Updated | 2026-04-08 18:21:37 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 5.3 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| 3.1 | CNA | DECLARED | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Convertkit | Convertkit - Email Marketing Email Newsletter And Landing Pages | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Convertkit | Kit Formerly ConvertKit Email Newsletter Email Marketing Membership Subscribers And Landing Pages | affected 2.4.9 semver | Not specified |
| ADP | Convertkit | Convertkit - Email Marketing Email Newsletter And Landing Pages | affected 2.4.9 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.wordfence.com/threat-intel/vulnerabilities/id/79d828b8-aea2-4705-ae23-ac701... | af854a3a-2127-422b-91ae-364da2661108 | www.wordfence.com | Third Party Advisory |
| plugins.trac.wordpress.org/changeset | af854a3a-2127-422b-91ae-364da2661108 | plugins.trac.wordpress.org | Product |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: AmrAwad (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2024-06-20T15:27:19.000Z | Disclosed |
There are currently no legacy QID mappings associated with this CVE.