CVE-2025-56263

HIGH
2025-09-16 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:12 vuln.today
PoC Detected
Oct 17, 2025 - 14:30 vuln.today
Public exploit code
CVE Published
Sep 16, 2025 - 20:15 nvd
HIGH 8.8

Tags

File Upload Sms

Description

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.

Analysis

by-night sms V1.0 has an Arbitrary File Upload vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. 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. Affected products include: By-Night Sms.

Affected Products

By-Night Sms.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: +20

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CVE-2025-56263 vulnerability details – vuln.today
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