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CVE-2026-78055— SourceCodester Class and Exam Timetabling System BSIT2.php cross site scripting

Quick assessment

Affected
SourceCodester Class and Exam Timetabling 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.

SourceCodester Class and Exam Timetabling System是SourceCodester社区的一款课表管理系统。 SourceCodester Class and Exam Timetabling System 1.0版本存在安全漏洞，该漏洞源于对文件/BSIT2.php中参数course的错误操作，容易受到跨站脚本攻击，且可能被远程利用。

CVSS 4.3 · Medium EPSS 0.47% · P39

Affected Version Matrix 1

VendorProduct Version RangeStatus
SourceCodester Class and Exam Timetabling System 1.0 affected
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I. Basic Information for CVE-2026-78055

Vulnerability Information
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Vulnerability Title
SourceCodester Class and Exam Timetabling System BSIT2.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /BSIT2.php. The manipulation of the argument course leads to cross site scripting. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
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
Vulnerability Title
SourceCodester Class and Exam Timetabling System 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SourceCodester Class and Exam Timetabling System是SourceCodester社区的一款课表管理系统。 SourceCodester Class and Exam Timetabling System 1.0版本存在安全漏洞，该漏洞源于对文件/BSIT2.php中参数course的错误操作，容易受到跨站脚本攻击，且可能被远程利用。
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
SourceCodester Class and Exam Timetabling System 1.0 cpe:2.3:a:sourcecodester:class_and_exam_timetabling_system:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78055

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III. Intelligence Information for CVE-2026-78055

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Vendor Advisories for CVE-2026-78055 (1)

Proof of Concept for CVE-2026-78055 (2)

Other References for CVE-2026-78055 (2)

Same Patch Batch · SourceCodester · 2026-08-23 · 5 CVEs total

CVE-2026-78115 5.4 MEDIUM SourceCodester Class and Exam Timetabling System User Account Update edit_user_account.php
CVE-2026-78054 4.3 MEDIUM SourceCodester Class and Exam Timetabling System BSIS1.php cross site scripting
CVE-2026-78059 4.3 MEDIUM SourceCodester Stock Management System printOrder.php cross site scripting
CVE-2026-78060 4.3 MEDIUM SourceCodester Stock Management System getOrderReport.php cross site scripting

IV. Related Vulnerabilities

Same product: Class and Exam Timetabling System
Same vendor: SourceCodester
Same weakness: CWE-79

V. Comments for CVE-2026-78055

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