CVE-2021-24145: unknown modern events calendar lite
Vulnerability summary
CVE-2021-24145 is a high (CVSS 7.2) vulnerability in unknown modern events calendar lite. EPSS estimates a 87.20% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities. 5 public exploits are recorded. Fixed in 5.16.5.
Timeline
- 18-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
87.20%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
0.00 pp
From 87.20% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
5 foundExploit Reference (wpscan.com)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Show all 5 exploits
Wordpress Plugin Modern Events Calendar 5.16.2 - Remote Code Execution (Authenticated)
Maturity: poc
Wordpress Plugin Modern Events Calendar - Authenticated Remote Code Execution
exploit/multi/http/wp_plugin_modern_events_calendar_rce
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- modern events calendar lite≥ 5.16.5, < 5.16.5
Webnus1 product
- modern events calendar lite< 5.16.5
Wordpress1 product
- modern-events-calendar-lite≤ 5.16.4 (fixed in 5.16.5)
3 vendors · 3 products
References
4 links- wpscan.com/vulnerability/f42cc26b-9aab-4824-8168-b5b8571d1610X Refsource MISCExploitThird Party Advisory
- packetstormsecurity.com/files/163346/WordPress-Modern-Events-Calendar-5.16.2-Shell-Upload.htmlX Refsource MISCExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/163672/WordPress-Modern-Events-Calendar-Remote-Code-Execution.htmlX Refsource MISCExploitThird Party AdvisoryVDB Entry