CVE-2025-56263 json
by-night sms V1.0 has an Arbitrary File Upload vulnerability.
published 2025-09-16 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-29649
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
by-night sms V1.0 has an Arbitrary File Upload vulnerability. The /api/sms/upload/headImg endpoint allows uploading arbitrary files. Users can upload files of any size and type.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 13 mo ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/by-night/sms/issues/50 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/echo0d/vulnerability/blob/main/by-night_sms/fileUpload.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
github.com
/by-night/sms/issues/50
exploit, issue-tracking, third-party-advisory
-
github.com
/echo0d/vulnerability/blob/main/by-night_sms/fileUpload.md
exploit, third-party-advisory
Sources
- CVE List CVE-2025-56263
- NVD CVE-2025-56263
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