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CVE-2021-24145

89
FAUCET Score

CVE-2021-24145 describes an arbitrary file upload vulnerability in the Modern Events Calendar Lite WordPress plugin, affecting versions prior to 5.16.5. This flaw allows an authenticated administrator to upload malicious PHP files by manipulating the content-type to 'text/csv' during an import operation. Rated 7.2 HIGH on CVSS, the vulnerability presents a high risk due to its network-based attack vector and potential for complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV, exploit modules are publicly available in Metasploit and Nuclei, and an ExploitDB entry exists, indicating readily accessible exploit code despite limited community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.16.5CPE matchmatch criteria
cpe:2.3:a:webnus:modern_events_calendar_lite:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
88.16%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Wordpress Plugin Modern Events Calendar - Authenticated Remote Code Execution · Jan 29, 2021
Nuclei: CVE-2021-24145 · Mar 5, 2023
ExploitDB: EDB-50082 · Jul 2, 2021
This CVE's current EPSS score of 0.8816 is in the 100th percentile among its peer group of 5,537 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/163346/WordPress-Modern-Events-Calendar-5.16.2-Shell-Upload.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/163672/WordPress-Modern-Events-Calendar-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
wpscan.com / vulnerability/f42cc26b-9aab-4824-8168-b5b8571d1610
ExploitThird Party Advisory