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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.0]"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "sales_and_inventory_system", "vendor": "sourcecodester"}], "analysis": {"en": {"generated_at": "2026-03-31T19:27:19.456168+00:00", "value": {"mitigation_remediation": ["Apply an updated version of SourceCodester Sales and Inventory System that addresses the XSS flaw.", "If an update is unavailable, sanitize or whitelist the msg parameter on the server side to strip disallowed tags and attributes.", "Implement a Content\u2011Security\u2011Policy header that restricts inline scripts and non\u2011trusted sources.", "Use a web application firewall to detect and block suspicious payloads in query parameters.", "Educate users to avoid clicking on untrusted links that contain suspicious query parameters."], "summary": {"action": "Apply Patch", "impact": "Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "The affected product is SourceCodester Sales and Inventory System version 1.0. No other versions or vendors are listed in the CVE data.", "description_and_impact": "A reflected cross\u2011site scripting vulnerability exists in SourceCodester Sales and Inventory System 1.0, specifically in the add_sales.php file where the msg parameter is not sanitized. This flaw allows a remote attacker to inject arbitrary JavaScript or HTML into a page that is returned to a user, enabling the attacker to execute code within the victim\u2019s browser context.", "risk_and_exploitability": "The CVSS base score of 5.4 indicates moderate severity. The EPSS score is below 1%, suggesting a low probability of current exploitation and it is not listed in the CISA KEV catalog. The attack vector is inferred to be remote via a crafted URL that a victim must visit; authentication is not required. Given the input, the vulnerability can be exploited by placing malicious script in the msg query parameter, which will be reflected in the response and executed in the victim\u2019s browser."}}}}, "created": "2026-03-30T20:56:24.171149+00:00", "updated": "2026-03-31T20:41:19.603206+00:00", "vendors": ["sourcecodester", "sourcecodester$PRODUCT$sales_and_inventory_system"]}