EUVD-2026-43282
GHSA-6hff-5fjr-6943
Severity by source
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
Authentication bypass grants full admin access, warranting C:H and I:H; AV:N and PR:N confirmed by login-page pre-auth attack path.
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
Lifecycle Timeline
2DescriptionCVE.org
A security flaw has been discovered in SourceCodester Online Book Store System 1.0. This vulnerability affects unknown code of the file admin/login.php. The manipulation of the argument Username results in sql injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
AnalysisAI
SQL injection in SourceCodester Online Book Store System 1.0 exposes the admin authentication panel to remote, unauthenticated exploitation via the Username parameter in admin/login.php. A publicly available proof-of-concept - explicitly titled 'SQL Injection Leading to Authentication Bypass' - demonstrates that an attacker can bypass admin login entirely without valid credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The admin/login.php endpoint must be network-reachable by the attacker - typically meaning the application is internet-facing or accessible on a shared network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) confirms that exploitation requires no authentication, no special attack conditions, and no user interaction from a remote network position - the highest-risk access profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker identifies an internet-exposed SourceCodester Online Book Store System instance via a search engine or targeted scan, navigates directly to admin/login.php, and submits a standard SQL injection authentication bypass payload (e.g., ' OR 1=1-- -) in the Username field. Because no parameterization exists, the injected payload causes the backend SQL query to evaluate as true, granting full admin panel access without valid credentials. … |
| Remediation | No vendor-released patch has been identified at the time of analysis for SourceCodester Online Book Store System. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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