CVE-2022-40879 json
kkFileView v4.1.0 is vulnerable to Cross Site Scripting (XSS) via the parameter 'errorMsg.'
published 2022-09-29 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-44135
- cvss
- 6.1
- version 3.1, CNA
- 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, plus a Nuclei check
Summary
kkFileView v4.1.0 is vulnerable to Cross Site Scripting (XSS) via the parameter 'errorMsg.'
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 17 mo ago
Exploit prediction
1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template kkFileView 4.1.0 - Cross-Site Scripting nuclei detection template
- github.com https://github.com/kekingcn/kkFileView/issues/389 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/kekingcn/kkFileView/issues/389
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2022-40879
- NVD CVE-2022-40879
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.