ConvertKit – Email Newsletter, Email Marketing, Subscribers and Landing Pages: A security weakness
ConvertKit – Email Newsletter, Email Marketing, Subscribers and Landing Pages is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- ConvertKit – Email Newsletter, Email Marketing, Subscribers and Landing Pages
- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jun 21, 2024
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jun 21, 2024 and is one of 3 known issues for this plugin.
Update, patch or deactivate.
Update ConvertKit – Email Newsletter, Email Marketing, Subscribers and Landing Pages to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N