CVE-2018-16344 json
An issue was discovered in zzcms 8.3.
published 2018-09-02 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8191
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
An issue was discovered in zzcms 8.3. It allows remote attackers to delete arbitrary files via directory traversal sequences in the flv parameter. This can be leveraged for database access by deleting install.lock.
Exploit prediction
1.89% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/cumtxujiabin/CmsPoc/blob/master/zzcms_8.3_file_del.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:N/I:P/A:P |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/cumtxujiabin/CmsPoc/blob/master/zzcms_8.3_file_del.md
exploit, third-party-advisory
Sources
- CVE List CVE-2018-16344
- NVD CVE-2018-16344
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.