Newsletter: Code execution
Newsletter is affected by code execution. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can run attacker-controlled code in the WordPress hosting account.
- Component
- Newsletter
- Plugin slug
newsletter- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jan 01, 2021
This CVE was published Jan 01, 2021 and is one of 16 known issues for this plugin.
Update, patch or deactivate.
Update Newsletter 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
Insecure Deserialization in the Newsletter plugin before 6.8.2 for WordPress allows authenticated remote attackers with minimal privileges (such as subscribers) to use the tpnc_render AJAX action to inject arbitrary PHP objects via the options[inline_edits] parameter. NOTE: exploitability depends on PHP objects that might be present with certain other plugins or themes.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H