CVE-2021-31731 json
A directory traversal issue in KiteCMS 1.1.1 allows remote administrators to overwrite arbitrary files via ../ in the path parameter to ind…
published 2021-08-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-18615
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
A directory traversal issue in KiteCMS 1.1.1 allows remote administrators to overwrite arbitrary files via ../ in the path parameter to index.php/admin/Template/fileedit, with PHP code in the html parameter.
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Kitesky/KiteCMS/issues/9 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 5.5 | AV:N/AC:L/Au:S/C:N/I:P/A:P |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/Kitesky/KiteCMS/issues/9
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2021-31731
- NVD CVE-2021-31731
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.