VulnerabilityModified
CVE-2021-24253
This allows any authenticated user to upload arbitrary PHP files via the Add Listing feature of the plugin, leading to RCE.
HIGH 8.8EPSS 1.91%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.91% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- classyfrieds project/classyfrieds
- Source
- contact@wpscan.com
References
- https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.mdExploit, Third Party Advisory
- https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079Exploit, Third Party Advisory
- https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.mdExploit, Third Party Advisory
- https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.