Modern Events Calendar Lite: Dangerous file upload
Modern Events Calendar Lite is affected by dangerous file upload. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise.
- Component
- Modern Events Calendar Lite
- Plugin slug
modern-events-calendar-lite- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Mar 18, 2021
This CVE was published Mar 18, 2021 and is one of 17 known issues for this plugin.
Update, patch or deactivate.
Update Modern Events Calendar Lite 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
Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.
NVD vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H