VulnerabilityModified
CVE-2018-16731
CScms 4.1 allows arbitrary file upload by (for example) adding the php extension to the default filetype list (gif, jpg, png), and then providing a .php pathname within fileurl JSON data.
CRITICAL 9.8EPSS 1.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CScms 4.1 allows arbitrary file upload by (for example) adding the php extension to the default filetype list (gif, jpg, png), and then providing a .php pathname within fileurl JSON data.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.49% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- chshcms/cscms
- Source
- cve@mitre.org
References
- https://github.com/AvaterXXX/CScms/blob/master/CScms_up.mdThird Party Advisory
- https://www.patec.cn/newsshow.php?cid=24&id=123Exploit, Third Party Advisory
- https://github.com/AvaterXXX/CScms/blob/master/CScms_up.mdThird Party Advisory
- https://www.patec.cn/newsshow.php?cid=24&id=123Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.