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School Registration System CVE-2026-90526

| EUVDEUVD-2026-77028 MEDIUM
SQL Injection (CWE-89)
2026-09-13 VulDB GHSA-w4jv-8c85-g535
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 SQLi with low-granularity C/I/A impact; no scope change as exploitation is confined to the application database.

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

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Sep 13, 2026 - 14:36 vuln.today
CVSS changed
Sep 13, 2026 - 14:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
CVE Published
Sep 13, 2026 - 14:00 cve.org
MEDIUM 5.5

DescriptionCVE.org

A security vulnerability has been detected in SourceCodester School Registration and Fee System 1.0. This impacts an unknown function of the file /bilal/save_class.php. The manipulation of the argument Category leads to sql injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

AnalysisAI

SQL injection in SourceCodester School Registration and Fee System 1.0 allows unauthenticated remote attackers to read, modify, or delete database contents via the Category parameter in /bilal/save_class.php. A public proof-of-concept exploit has been disclosed on GitHub, lowering the skill threshold for exploitation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The target must be running SourceCodester School Registration and Fee System 1.0 with the /bilal/save_class.php endpoint reachable over the network. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.5 reflects moderate CIA impact (all Low), which is relatively conservative for an unauthenticated SQL injection - the score is depressed because individual row-level read/write rather than full database takeover is the baseline impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch has been identified at time of analysis - references point only to VulDB entries and the original exploit disclosure on GitHub. … 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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CVE-2026-90526 vulnerability details – vuln.today

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