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CVE-2026-13527— SourceCodester Class and Exam Timetabling System preview4.php sql injection

CVSS 7.3 · High EPSS 0.26% · P18

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
SourceCodesterClass and Exam Timetabling System1.0affected
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I. Basic Information for CVE-2026-13527

Vulnerability Information
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Vulnerability Title
SourceCodester Class and Exam Timetabling System preview4.php sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in SourceCodester Class and Exam Timetabling System 1.0. The affected element is an unknown function of the file /preview4.php. Such manipulation of the argument course_year_section leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public 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/preview4.php中参数course_year_section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

VendorProductAffected VersionsCPESubscribe
SourceCodesterClass and Exam Timetabling System 1.0 cpe:2.3:a:sourcecodester:class_and_exam_timetabling_system:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-13527

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7529 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-13527

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News Coverage for CVE-2026-13527 (1)

Other References for CVE-2026-13527 (1)

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

CVE-2026-135687.3 HIGHSourceCodester Inventory Management System User Registration Endpoint users_handler.php ac
CVE-2026-135667.3 HIGHSourceCodester Class and Exam Timetabling System preview3.php sql injection
CVE-2026-135657.3 HIGHSourceCodester Class and Exam Timetabling System edit_class1.php sql injection
CVE-2026-135267.3 HIGHSourceCodester Class and Exam Timetabling System edit_class.php sql injection
CVE-2026-135217.3 HIGHSourceCodester Class and Exam Timetabling System preview5.php sql injection
CVE-2026-135715.3 MEDIUMSourceCodester Simple Food Ordering System cart.php logic error
CVE-2026-135703.5 LOWSourceCodester 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-2026-13527

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