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PHP EUVD-2026-16708

| CVE-2026-30576 HIGH
Improper Input Validation (CWE-20)
2026-03-27 mitre GHSA-5jg4-m9rh-fp8f
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

4
PoC Detected
Mar 31, 2026 - 16:14 vuln.today
Public exploit code
EUVD ID Assigned
Mar 27, 2026 - 16:45 euvd
EUVD-2026-16708
Analysis Generated
Mar 27, 2026 - 16:45 vuln.today
CVE Published
Mar 27, 2026 - 00:00 nvd
HIGH 7.5

DescriptionCVE.org

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to validate the "txtprice" and "txttotalcost" parameters during stock entry, allowing negative financial values to be submitted. This leads to corruption of financial records, allowing attackers to manipulate inventory asset values and procurement costs.

AnalysisAI

Pharmacy Product Management System 1.0 fails to validate financial input parameters in the add-stock.php file, permitting attackers to submit negative values for product prices and total costs. This business logic vulnerability corrupts financial records and allows manipulation of inventory asset valuations and procurement cost tracking. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Access add-stock.php without authentication
Delivery
Submit negative values in txtprice parameter
Exploit
Bypass input validation logic
Execution
Corrupt financial records in database
Impact
Manipulate inventory asset values

Vulnerability AssessmentAI

Exploitation Remote unauthenticated attacker can exploit SourceCodester Pharmacy Product Management System 1.0's add-stock.php endpoint. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is moderate-to-high within affected environments, despite the absence of CVSS and EPSS scores. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated user with access to the stock management interface navigates to the add-stock.php form and submits a negative value (e.g., -500.00) in the txtprice field while adding a new pharmaceutical product. The application accepts and stores this value without validation, creating a fictitious credit entry in the procurement cost ledger. …
Remediation Immediately upgrade Pharmacy Product Management System to the latest patched version released by SourceCodester; consult the vendor's security advisory or release notes for exact version numbers and deployment instructions. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

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EUVD-2026-16708 vulnerability details – vuln.today

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