Subscribe2: A security weakness
Subscribe2 is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Subscribe2
- Plugin slug
subscribe2- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jun 28, 2023
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jun 28, 2023 and is one of 6 known issues for this plugin.
Update, patch or deactivate.
Update Subscribe2 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 Subscribe2 plugin for WordPress is vulnerable to unauthorized access to email functionality due to a missing capability check when sending test emails in versions up to, and including, 10.40. This makes it possible for author-level attackers to send emails with arbitrary content and attachments to site users.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Primary and upstream sources
- NVD record for CVE-2023-1844
- WordPress upstream reference plugins.trac.wordpress.org
- WordPress upstream reference plugins.trac.wordpress.org
- Wordfence advisory wordfence.com
- WordPress upstream reference plugins.trac.wordpress.org
- WordPress upstream reference plugins.trac.wordpress.org
- Wordfence advisory wordfence.com