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CVE-2026-13526— SourceCodester Class and Exam Timetabling System edit_class.php sql injection

Quick assessment

Affected
SourceCodester Class and Exam Timetabling System
Exploitation
Public or AI PoC available; prioritize validation
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公司的课表管理系统。 SourceCodester Class and Exam Timetabling System 1.0版本存在安全漏洞，该漏洞源于对文件/edit_class.php中参数ID的错误操作，可能导致SQL注入。

CVSS 7.3 · High EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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-2026-13526

Vulnerability Information
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Vulnerability Title
SourceCodester Class and Exam Timetabling System edit_class.php sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. Impacted is an unknown function of the file /edit_class.php. This manipulation of the argument ID causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
SourceCodester Class and Exam Timetabling System 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SourceCodester class and exam timetabling system是SourceCodester公司的课表管理系统。 SourceCodester Class and Exam Timetabling System 1.0版本存在安全漏洞，该漏洞源于对文件/edit_class.php中参数ID的错误操作，可能导致SQL注入。
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-2026-13526

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7111 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-13526

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News Coverage for CVE-2026-13526 (1)

Other References for CVE-2026-13526 (1)

Same Patch Batch · SourceCodester · 2026-06-29 · 8 CVEs total

CVE-2026-13568 7.3 HIGH SourceCodester Inventory Management System User Registration Endpoint users_handler.php ac
CVE-2026-13566 7.3 HIGH SourceCodester Class and Exam Timetabling System preview3.php sql injection
CVE-2026-13565 7.3 HIGH SourceCodester Class and Exam Timetabling System edit_class1.php sql injection
CVE-2026-13527 7.3 HIGH SourceCodester Class and Exam Timetabling System preview4.php sql injection
CVE-2026-13521 7.3 HIGH SourceCodester Class and Exam Timetabling System preview5.php sql injection
CVE-2026-13571 5.3 MEDIUM SourceCodester Simple Food Ordering System cart.php logic error
CVE-2026-13570 3.5 LOW SourceCodester Inventory Management System User Registration Endpoint users_handler.php cr

IV. Related Vulnerabilities

Same product: Class and Exam Timetabling System
Same vendor: SourceCodester
Same weakness: CWE-89

V. Comments for CVE-2026-13526

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