CVE-2021-24253

Classyfrieds <= 3.8 - Authenticated Arbitrary File Upload to RCE

EPSS 1.9%CWE-434

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.9%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

05 May 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Unknown · Classyfrieds

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References

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