{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-30573", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-04-01T17:52:39.630Z", "dateReserved": "2026-03-04T00:00:00.000Z", "datePublished": "2026-04-01T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-01T14:22:50.135Z"}, "descriptions": [{"lang": "en", "value": "A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0. The vulnerability is located in the add-sales.php file. The application fails to validate the \"txtprice\" and \"txttotalcost\" parameters, allowing attackers to submit negative values for sales transactions. This leads to incorrect financial calculations, corruption of sales reports, and potential financial loss."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddSales-NegativePrice.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1284", "lang": "en", "description": "CWE-1284 Improper Validation of Specified Quantity in Input"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-01T17:51:00.419900Z", "id": "CVE-2026-30573", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-01T17:52:39.630Z"}}]}, "dataVersion": "5.2"}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0. The vulnerability is located in the add-sales.php file. The application fails to validate the \"txtprice\" and \"txttotalcost\" parameters, allowing attackers to submit negative values for sales transactions. This leads to incorrect financial calculations, corruption of sales reports, and potential financial loss."}], "id": "CVE-2026-30573", "lastModified": "2026-04-03T16:11:11.357", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-04-01T15:22:59.387", "references": [{"source": "cve@mitre.org", "url": "https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddSales-NegativePrice.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1284"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.0"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 84.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "web-based_pharmacy_product_management_system", "vendor": "sourcecodester"}], "analysis": {"en": {"generated_at": "2026-04-02T04:49:34.150849+00:00", "value": {"mitigation_remediation": ["Check for and apply any available vendor releases or patches for SourceCodester Pharmacy Product Management System 1.0", "Modify the add\u2011sales.php logic to enforce that txtprice and txttotalcost are zero or positive before processing the sale", "Restrict access to the add\u2011sales.php page so that only authorized users can submit sales", "Enable detailed logging of all sales transactions and periodically audit them to detect discrepancies"], "summary": {"action": "Immediate Patch", "impact": "Financial Loss"}, "threat_synthesis": {"affected_systems": "SourceCodester Pharmacy Product Management System version 1.0 is the only product identified as vulnerable. No other variants or vendor versions are listed.", "description_and_impact": "A business\u2011logic flaw in SourceCodester Pharmacy Product Management System 1.0 allows attackers to submit negative values for the txtprice and txttotalcost fields when creating a sale. Because the application does not check that these values are non\u2011negative, the system records and displays incorrect revenue figures. This can corrupt sales reports, misrepresent financial statements, and ultimately lead to real economic loss for the organization.", "risk_and_exploitability": "The CVSS score of 7.5 indicates high severity. EPSS data is not available and the vulnerability is not listed in CISA\u2019s KEV catalog. The likely attack vector is sending a crafted HTTP POST request to the add\u2011sales.php endpoint with negative numeric values for txtprice and txttotalcost, a method inferred from the description of the missing validation. Based on the description, it is inferred that an authenticated user may be required to access add\u2011sales.php, but if the page is exposed publicly the exploit could be performed without credentials. Successful exploitation corrupts financial records and could enable monetary theft or unintentional losses."}}}}, "created": "2026-04-02T07:51:17.395142+00:00", "title": "Negative Pricing in Pharmacy Sales Leads to Financial Loss", "updated": "2026-04-03T08:59:01.477855+00:00", "vendors": ["sourcecodester", "sourcecodester$PRODUCT$web-based_pharmacy_product_management_system"]}