CVE-2018-17126 json
CScms 4.1 allows remote code execution, as demonstrated by 1');eval($_POST[cmd]);# in Web Name to upload\plugins\sys\Install.php.
published 2018-09-17 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8904
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
CScms 4.1 allows remote code execution, as demonstrated by 1');eval($_POST[cmd]);# in Web Name to upload\plugins\sys\Install.php.
Exploit prediction
3.23% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/AvaterXXX/CScms/blob/master/CScms_xss.md#cscms_getshell referenced PoC, tagged "exploit" by a source, unverified
- patec.cn https://www.patec.cn/newsshow.php?cid=24&id=125 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/AvaterXXX/CScms/blob/master/CScms_xss.md#cscms_getshell
exploit, third-party-advisory
-
patec.cn
/newsshow.php?cid=24&id=125
exploit, third-party-advisory
Sources
- CVE List CVE-2018-17126
- NVD CVE-2018-17126
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.