{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3884", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "state": "PUBLISHED", "assignerShortName": "snyk", "dateReserved": "2026-03-10T15:23:07.934Z", "datePublished": "2026-03-11T05:00:09.279Z", "dateUpdated": "2026-03-11T05:00:09.279Z"}, "containers": {"cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P"}, "cvssV4_0": {"version": "4.0", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P"}}], "credits": [{"value": "Eric Cornelissen", "lang": "en"}, {"value": "Samuel Kajava", "lang": "en"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "Cross-site Scripting (XSS)", "lang": "en"}]}], "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-03-11T05:00:09.279Z"}, "descriptions": [{"value": "Versions of the package spin.js before 3.0.0 are vulnerable to Cross-site Scripting (XSS) via the spin() function that allows a creation of more than 1 alert for each 'target' element. An attacker would need to set an arbitrary key-value pair on Object.prototype through a crafted URL achieving a prototype pollution first, before being able to execute arbitrary JavaScript in the context of the user's browser.", "lang": "en"}], "references": [{"url": "https://security.snyk.io/vuln/SNYK-JS-SPINJS-15445079"}, {"url": "https://gist.github.com/ericcornelissen/1a73e28fa50c3009b0eb51ad2fc19f25"}], "affected": [{"product": "spin.js", "versions": [{"version": "0", "lessThan": "3.0.0", "status": "affected", "versionType": "semver"}], "vendor": "n/a"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Versions of the package spin.js before 3.0.0 are vulnerable to Cross-site Scripting (XSS) via the spin() function that allows a creation of more than 1 alert for each 'target' element. An attacker would need to set an arbitrary key-value pair on Object.prototype through a crafted URL achieving a prototype pollution first, before being able to execute arbitrary JavaScript in the context of the user's browser."}], "id": "CVE-2026-3884", "lastModified": "2026-03-11T13:52:47.683", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "report@snyk.io", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "report@snyk.io", "type": "Secondary"}]}, "published": "2026-03-11T06:17:15.183", "references": [{"source": "report@snyk.io", "url": "https://gist.github.com/ericcornelissen/1a73e28fa50c3009b0eb51ad2fc19f25"}, {"source": "report@snyk.io", "url": "https://security.snyk.io/vuln/SNYK-JS-SPINJS-15445079"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "report@snyk.io", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.0.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "spin.js", "source": "cna", "vendor": "n/a"}, "product": "spin.js", "vendor": "fgnass"}], "created": "2026-03-11T11:37:57.746271+00:00", "updated": "2026-03-11T11:37:57.746353+00:00", "vendors": ["fgnass", "fgnass$PRODUCT$spin.js"]}