CVE-2021-24253

Public Exploit
Classyfrieds <= 3.8 - Authenticated Arbitrary File Upload to RCE

Description

The Classyfrieds WordPress plugin through 3.8 does not properly check the uploaded file when an authenticated user adds a listing, only checking the content-type in the request. This allows any authenticated user to upload arbitrary PHP files via the Add Listing feature of the plugin, leading to RCE.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.08% Top 25%
Third-Party Advisory github.com Third-Party Advisory wpscan.com
Affected: Unknown Classyfrieds
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079 third party advisory exploit
https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-24253?
CVE-2021-24253 has been scored as a high severity vulnerability.
How to fix CVE-2021-24253?
To fix CVE-2021-24253, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24253 being actively exploited in the wild?
It is possible that CVE-2021-24253 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24253?
CVE-2021-24253 affects Unknown Classyfrieds.
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