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CVE-2026-124570— SourceCodester Online Leave Management System Employee Avatar Upload Extension Master.php cross site scripting

Quick assessment

Affected
SourceCodester Online Leave 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.

在 SourceCodester 在线请假管理系统 1.0 中发现一个漏洞。该漏洞影响组件"Employee Avatar Upload Extension"中文件 的某个未知函数。通过操纵“员工头像文件名”参数，可引发跨站脚本攻击（XSS）。该漏洞可被远程利用。目前攻击利用代码已公开，可能被恶意使用。

CVSS 2.4 · Low

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-124570

Vulnerability Information
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Vulnerability Title
SourceCodester Online Leave Management System Employee Avatar Upload Extension Master.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in SourceCodester Online Leave Management System 1.0. Affected is an unknown function of the file app/classes/Master.php of the component Employee Avatar Upload Extension. Performing a manipulation of the argument employee avatar filename results in cross site scripting. Remote exploitation of the attack is possible. The exploit is now public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
SourceCodester Online Leave Management System 1.0 cpe:2.3:a:sourcecodester:online_leave_management_system:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-124570

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-124570

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Vendor Advisories for CVE-2026-124570 (1)

Other References for CVE-2026-124570 (1)

Other References for CVE-2026-124570 (4)

IV. Related Vulnerabilities

Same product: Online Leave Management System
Same vendor: SourceCodester
Same weakness: CWE-79