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CVE-2026-100877— mathurvishal CloudClassroom-PHP-Project registrationform.php cross site scripting

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 CloudClassroom-PHP-Project 项目中，直至提交 5dadec098bfbbf3300d60c3494db3fb95b66e7be 版本，发现了一个安全漏洞。该漏洞影响文件 registrationform.php 中的一个未知功能。通过操纵参数 FName、LName 和 Addrs，可能导致跨站脚本攻击（XSS）。此攻击可远程执行。相关利用代码已被公开披露，并可被利用。该产品采用持续交付的滚动发布模式，因此受影响版本或已更新版本的具体版本信息不可用。供应商在早

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-100877

Vulnerability Information
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Vulnerability Title
mathurvishal CloudClassroom-PHP-Project registrationform.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. Affected by this vulnerability is an unknown functionality of the file registrationform.php. Executing a manipulation of the argument FName/LName/Addrs can lead to cross site scripting. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. 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:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
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-2026-100877

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III. Intelligence Information for CVE-2026-100877

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Other References for CVE-2026-100877 (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-2026-100876 6.3 MEDIUM mathurvishal CloudClassroom-PHP-Project loginlinkstudent.php missing authentication
CVE-2026-100873 4.3 MEDIUM mathurvishal CloudClassroom-PHP-Project cross-site request forgery

IV. Related Vulnerabilities

Same product: CloudClassroom-PHP-Project
Same vendor: mathurvishal
Same weakness: CWE-79

V. Comments for CVE-2026-100877

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