Moosend Landing Pages: A security weakness
Moosend Landing Pages is affected by a security weakness. Exploitation requires at least subscriber-level access. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Moosend Landing Pages
- Plugin slug
moosend-landing-pages- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jan 07, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jan 07, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Moosend 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 Moosend Landing Pages plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the moosend_landings_auth_get function in all versions up to, and including, 1.1.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete the 'moosend_landing_api_key' option value.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N