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CVE-2026-30573

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8a0131d37e8604f7cb5f15057d417b401b053edf6ccec9d9a74d71fe5626412b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-1284","description":"CWE-1284 Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ca7c44a7b0884c36fc590e77c44272e4e5df068e1925a604b39299a509daff65 · sha256:27e2d1aa48fbe0b7… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ca7c44a7b0884c36fc590e77c44272e4e5df068e1925a604b39299a509daff65 · sha256:27e2d1aa48fbe0b7… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ca7c44a7b0884c36fc590e77c44272e4e5df068e1925a604b39299a509daff65 · sha256:27e2d1aa48fbe0b7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ca7c44a7b0884c36fc590e77c44272e4e5df068e1925a604b39299a509daff65 · sha256:27e2d1aa48fbe0b7… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-1284","description":"CWE-1284 Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ca7c44a7b0884c36fc590e77c44272e4e5df068e1925a604b39299a509daff65 · sha256:27e2d1aa48fbe0b7… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ca7c44a7b0884c36fc590e77c44272e4e5df068e1925a604b39299a509daff65 · sha256:27e2d1aa48fbe0b7… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddSales-NegativePrice.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca7c44a7b0884c36fc590e77c44272e4e5df068e1925a604b39299a509daff65 · sha256:27e2d1aa48fbe0b7… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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