CVE-2025-4538CRITICAL 9.8EPSS p30.3%
CVE-2025-4538CVE-2025-4538
Description
A vulnerability was found in kkFileView 4.4.0. It has been classified as critical. This affects an unknown part of the file /fileUpload. The manipulation of the argument File leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scoring
| CVSS 3.1 | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.38% probability of exploitation · percentile 30.3% · 2026-08-03T12:00:16Z |
| Published | 2025-05-11 |
| Last modified | 2025-06-16 |
Underlying weaknesses· 2
References
- https://magnificent-dill-351.notion.site/Arbitrary-File-Upload-in-kkFileView-4-4-0-1e3c693918ed802581faccab9140a130
- https://vuldb.com/?ctiid.308283
- https://vuldb.com/?id.308283
- https://vuldb.com/?submit.566596
- https://magnificent-dill-351.notion.site/Arbitrary-File-Upload-in-kkFileView-4-4-0-1e3c693918ed802581faccab9140a130
2
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Access Controlcwe-284 | 0% | live |
| Weakness | Unrestricted Upload of File with Dangerous Typecwe-434 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.