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CVE-2026-100876— mathurvishal CloudClassroom-PHP-Project loginlinkstudent.php missing authentication

Quick assessment

Affected
mathurvishal CloudClassroom-PHP-Project
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.

在 mathurvishal 的 CloudClassroom-PHP-Project 项目中发现了一个漏洞，受影响版本为 5dadec098bfbbf3300d60c3494db3fb95b66e7be 及其之前的版本。该漏洞存在于文件 中的一个未知函数中。通过对参数 进行恶意操控，可以绕过身份验证机制。此漏洞可被远程利用，且利用代码已公开，可被攻击者直接使用。由于该产品采用持续交付的滚动发布模式，因此未提供受影响版本或已修复版本的具体版本号。供应商在漏洞披露早期已收到通知，但始终未作出任何回应。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-100876

Vulnerability Information
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Vulnerability Title
mathurvishal CloudClassroom-PHP-Project loginlinkstudent.php missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. Affected is an unknown function of the file loginlinkstudent.php. Performing a manipulation of the argument umail results in missing authentication. Remote exploitation of the attack is possible. The exploit has been made public and could be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The vendor was contacted early about this disclosure but did not respond in any way.
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
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
mathurvishal CloudClassroom-PHP-Project 5dadec098bfbbf3300d60c3494db3fb95b66e7be cpe:2.3:a:mathurvishal:cloudclassroom-php-project:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-100876

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III. Intelligence Information for CVE-2026-100876

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Other References for CVE-2026-100876 (5)

Same Patch Batch · mathurvishal · 2026-09-27 · 5 CVEs total

CVE-2026-100875 7.3 HIGH mathurvishal CloudClassroom-PHP-Project updatedetailsfromfaculty.php sql injection
CVE-2026-100874 7.3 HIGH mathurvishal CloudClassroom-PHP-Project addnewstudent.php sql injection
CVE-2026-100873 4.3 MEDIUM mathurvishal CloudClassroom-PHP-Project cross-site request forgery
CVE-2026-100877 4.3 MEDIUM mathurvishal CloudClassroom-PHP-Project registrationform.php cross site scripting

IV. Related Vulnerabilities

Same product: CloudClassroom-PHP-Project
Same vendor: mathurvishal
Same weakness: CWE-306

V. Comments for CVE-2026-100876

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