CVE-2025-57820

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{"affected": [{"affectedData": [{"product": "devalue", "vendor": "sveltejs", "versions": [{"status": "affected", "version": "< 5.3.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Svelte devalue is a utility library. Prior to version 5.3.2, a string passed to devalue.parse could represent an object with a __proto__ property and devalue.parse does not check that an index is numeric. This could result in assigning prototypes to objects and properties, leading to prototype pollution. This issue has been fixed in version 5.3.2"}, {"lang": "es", "value": "Svelte devalue es una librer\u00eda de utilidades. Antes de la versi\u00f3n 5.3.2, una cadena pasada a devalue.parse pod\u00eda representar un objeto con una propiedad __proto__ y devalue.parse no verificaba si un \u00edndice era num\u00e9rico. Esto pod\u00eda provocar la asignaci\u00f3n de prototipos a objetos y propiedades, lo que generaba contaminaci\u00f3n de prototipos. Este problema se ha corregido en la versi\u00f3n 5.3.2."}], "id": "CVE-2025-57820", "lastModified": "2026-06-17T09:43:29.903", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.9, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/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": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-57820", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-08-27T20:42:34.984525Z", "version": "2.0.3"}}]}, "published": "2025-08-26T23:15:35.730", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/sveltejs/devalue/commit/0623a47c9555b639c03ff1baea82951b2d9d1132"}, {"source": "security-advisories@github.com", "url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-vj54-72f3-p5jv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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{"created": "2025-08-27T22:10:16.285328+00:00", "updated": "2025-08-27T22:10:16.285394+00:00", "vendors": ["svelte", "svelte$PRODUCT$devalue"]}