{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-0858", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "state": "PUBLISHED", "assignerShortName": "snyk", "dateReserved": "2026-01-12T09:57:41.760Z", "datePublished": "2026-01-16T05:00:06.808Z", "dateUpdated": "2026-01-16T14:10:00.485Z" }, "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": "LOW", "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:L/VA:N/SC:L/SI:L/SA:N/E:P" } } ], "credits": [ { "value": "Catalin Iovita (Snyk Security Research)", "lang": "en" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-79", "description": "Stored XSS", "lang": "en" } ] } ], "providerMetadata": { "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-01-16T05:00:06.808Z" }, "descriptions": [ { "value": "Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.", "lang": "en" } ], "references": [ { "url": "https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230" }, { "url": "https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd" }, { "url": "https://github.com/plantuml/plantuml/releases/tag/v1.2026.0" } ], "affected": [ { "product": "net.sourceforge.plantuml:plantuml", "versions": [ { "version": "0", "lessThan": "1.2026.0", "status": "affected", "versionType": "semver" } ], "vendor": "n/a" } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-16T14:09:52.779738Z", "id": "CVE-2026-0858", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "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": "2026-01-16T14:10:00.485Z" } } ] } }