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Timetabling System EUVDEUVD-2026-39987

| CVE-2026-13487 MEDIUM
SQL Injection (CWE-89)
2026-06-28 VulDB GHSA-2x9m-qqmr-95g7
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

Network-exploitable with no authentication or user interaction; scope unchanged with low per-axis database impact consistent with CVSS 4.0 VC:L/VI:L/VA:L.

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
CVSS changed
Jun 28, 2026 - 11:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
Analysis Generated
Jun 28, 2026 - 11:16 vuln.today

DescriptionCVE.org

A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. Affected is an unknown function of the file /archive.php. The manipulation of the argument sy leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

AnalysisAI

SQL injection in SourceCodester Class and Exam Timetabling System 1.0 exposes any publicly reachable deployment to unauthenticated database manipulation via the unsanitized sy parameter in /archive.php. The CVSS 4.0 vector (AV:N/AC:L/PR:N/UI:N) confirms remote exploitation with no prerequisites, yielding low-to-moderate impact across confidentiality, integrity, and availability of the underlying database. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Discover internet-exposed /archive.php endpoint
Delivery
Inject SQL payload into sy parameter
Exploit
Send unauthenticated HTTP request
Execution
Backend SQL query executes attacker-controlled statement
Impact
Extract database contents or manipulate records

Vulnerability AssessmentAI

Exploitation No special conditions are required for exploitation - the CVSS 4.0 vector (PR:N/AC:L/AT:N/UI:N) confirms this is a remote unauthenticated attack against the default configuration of SourceCodester Class and Exam Timetabling System 1.0. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is moderate-to-low when deployment footprint is factored in. … 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 /archive.php with a SQL payload injected into the `sy` parameter (e.g., `sy=2025' OR 1=1--`), causing the backend database to return unintended records or expose schema information. Using a tool such as sqlmap, the attacker can automate extraction of all database tables, recovering user credentials, exam schedules, or student records with minimal effort. …
Remediation No vendor-released patched version has been identified at time of analysis; the absence of a patch reference in VulDB or the SourceCodester vendor site means the primary fix - upgrading to a patched release - is not currently available. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-39987 vulnerability details – vuln.today

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