CVE-2018-16731

moderate-risk

Published 2018-09-08

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.

Do I need to act?

0.41% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (1)

Cscms

Affected Vendors

Chshcms

References (4)

Third Party Advisory https://github.com/AvaterXXX/CScms/blob/master/CScms_up.md

Exploit https://www.patec.cn/newsshow.php?cid=24&id=123

Third Party Advisory https://github.com/AvaterXXX/CScms/blob/master/CScms_up.md

Exploit https://www.patec.cn/newsshow.php?cid=24&id=123

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 2/34 · Minimal

Exposure 5/34 · Minimal