Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCE
CVE-2021-24145

7.2HIGH

Key Information:

Vendor

Wordpress
Status
Modern Events Calendar Lite
Vendor
CVE Published:
18 March 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 92%

What is CVE-2021-24145?

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.

Affected Version(s)

Modern Events Calendar Lite 5.16.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-24145
Created by dnr6419

References

https://wpscan.com/vulnerability/f42cc26b-9aab-4824-8168-...
x_refsource_MISC
http://packetstormsecurity.com/files/163346/WordPress-Mod...
x_refsource_MISC
http://packetstormsecurity.com/files/163672/WordPress-Mod...
x_refsource_MISC

EPSS Score

92% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Van Khanh - SunCSR (Sun* Cyber Security Research)
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