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Online Shopping System CVE-2026-19921

| EUVDEUVD-2026-59811 LOW
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2026-08-16 cna@vuldb.com GHSA-4r63-9hmp-wx4v
2.1
CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
6.3 MEDIUM

Network-reachable PHP endpoint, low complexity, PR:L because authenticated session is required; limited and scoped CIA impact consistent with a contained SQL injection in a small application.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:L/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
Low
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Aug 16, 2026 - 00:30 vuln.today

DescriptionCVE.org

A vulnerability was identified in code-projects Online Shopping System 1.0. Affected by this vulnerability is an unknown functionality of the file /homeaction.php. Such manipulation of the argument cat_id leads to sql injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

AnalysisAI

SQL injection in the cat_id parameter of /homeaction.php in code-projects Online Shopping System 1.0 exposes the backend database to remote attackers holding low-privilege authenticated sessions. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L) confirms low-complexity network exploitation with a public proof-of-concept documented on GitHub, lowering the skill bar for abuse. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid low-privilege authenticated session on the Online Shopping System, as indicated by PR:L in the CVSS 4.0 vector - unauthenticated anonymous exploitation is not confirmed by available data. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 2.1 is strikingly low for a network-accessible SQL injection with a public exploit. … 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 for code-projects Online Shopping System 1.0. … 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-2026-19921 vulnerability details – vuln.today

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