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Timetabling System CVE-2026-13485

| EUVDEUVD-2026-39985 MEDIUM
SQL Injection (CWE-89)
2026-06-28 VulDB GHSA-q3vp-2mqc-929r
SQLi PHP Class And Exam Timetabling System
5.5
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.3 HIGH

Unauthenticated network vector with no complexity barrier; low C/I/A reflects partial SQL access without full database or system compromise.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Jun 28, 2026 - 10:35 vuln.today
CVSS changed
Jun 28, 2026 - 10:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)

DescriptionCVE.org

A vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown function of the file /preview.php. Performing a manipulation of the argument course_year_section results in sql injection. The attack can be initiated remotely. The exploit has been made public and could be used.

AnalysisAI

SQL injection in SourceCodester Class and Exam Timetabling System 1.0 exposes the /preview.php endpoint to remote unauthenticated exploitation via the unsanitized course_year_section parameter, allowing arbitrary SQL query execution against the backend database. A public proof-of-concept exploit has been published on GitHub, materially lowering the barrier to exploitation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send HTTP request to /preview.php
Delivery
Inject SQL payload via course_year_section
Exploit
Bypass absent input validation
Execution
Execute arbitrary SQL against backend database
Impact
Extract or modify academic scheduling records
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Vulnerability AssessmentAI

Exploitation No authentication is required and no special configuration is needed - exploitation targets the default deployed state of the application (CVSS PR:N, UI:N, AC:L, AT:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base vector (AV:N/AC:L/AT:N/PR:N/UI:N) represents a worst-case accessibility profile: network-reachable, zero authentication, no user interaction, and no special preconditions. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated remote attacker sends a crafted HTTP GET or POST request to `/preview.php` with a SQL injection payload in the `course_year_section` parameter (e.g., appending `' OR '1'='1` or a UNION-based extraction query). Because a public POC exists on GitHub (https://github.com/lffaker/cybersec/issues/6), this attack is accessible to low-skill adversaries. …
Remediation No vendor-released patch has been identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-13485 vulnerability details – vuln.today
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