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CVE-2026-5670— Cyber-III Student-Management-System upload.php move_uploaded_file unrestricted upload

Quick assessment

Affected
Cyber-III Student-Management-System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Student-Management-System是Cyber-III开源的一个学生信息管理系统。 Student-Management-System 1a938fa61e9f735078e9b291d2e6215b4942af3f及之前版本存在代码问题漏洞，该漏洞源于对文件/AssignmentSection/submission/upload.php中参数File的错误操作，可能导致无限制上传。

CVSS 6.3 · Medium EPSS 0.35% · P26
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I. Basic Information for CVE-2026-5670

Vulnerability Information
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Vulnerability Title
Cyber-III Student-Management-System upload.php move_uploaded_file unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. This issue affects the function move_uploaded_file of the file /AssignmentSection/submission/upload.php. Performing a manipulation of the argument File results in unrestricted upload. The attack can be initiated remotely. The exploit has been made public and could be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Student-Management-System 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Student-Management-System是Cyber-III开源的一个学生信息管理系统。 Student-Management-System 1a938fa61e9f735078e9b291d2e6215b4942af3f及之前版本存在代码问题漏洞，该漏洞源于对文件/AssignmentSection/submission/upload.php中参数File的错误操作，可能导致无限制上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cyber-III Student-Management-System 1a938fa61e9f735078e9b291d2e6215b4942af3f -

II. Public POCs for CVE-2026-5670

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III. Intelligence Information for CVE-2026-5670

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Security Blog Posts for CVE-2026-5670 (1)

Same Patch Batch · Cyber-III · 2026-04-06 · 7 CVEs total

CVE-2026-5642 7.3 HIGH Cyber-III Student-Management-System HTTP POST Request update.php improper authorization
CVE-2026-5669 7.3 HIGH Cyber-III Student-Management-System Parameter login.php sql injection
CVE-2026-5671 4.3 MEDIUM Cyber-III Student-Management-System Class Schedule Deletion Endpoint delete_batch.php cros
CVE-2026-5644 2.4 LOW Cyber-III Student-Management-System batch-notice.php cross site scripting
CVE-2026-5643 2.4 LOW Cyber-III Student-Management-System Admin Add Endpoint notice.php cross site scripting
CVE-2026-5668 2.4 LOW Cyber-III Student-Management-System add%20notice.php cross site scripting

IV. Related Vulnerabilities

Same product: Student-Management-System
Same vendor: Cyber-III
Same weakness: CWE-434

V. Comments for CVE-2026-5670

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