CVE-2021-24145
Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCE
- Published
- Mar 18, 2021
- Updated
- Aug 3, 2024
- Assigning CNA
- WPScan
- Evidence observed
- Jul 2, 2021
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Oct 18, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
modules/exploits/multi/http/wp_plugin_modern_events_calendar_rce.rb
Metasploit Framework modulesDeclared conditions
- platform: PHP($.exploit_multi/http/wp_plugin_modern_events_calendar_rce.platform)
- verification: check_declared($.exploit_multi/http/wp_plugin_modern_events_calendar_rce.check)
http/cves/2021/CVE-2021-24145.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: word($.matchers[*].type)
Responsible use
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