CVE-2026-100380

{"id": "CVE-2026-100380", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-100380", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-26T22:43:05.441903Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "affectedData": [{"repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/Wikibase/+/refs/heads/master", "vendor": "Wikimedia Foundation", "product": "Mediawiki - Wikibase Extension", "versions": [{"status": "affected", "version": "*", "lessThan": "1.46.1, 1.45.5, 1.43.10", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-25T21:17:22.037", "references": [{"url": "https://gerrit.wikimedia.org/r/q/I7407f9748d72161ce25ad0ba2446869bb1776857", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}, {"url": "https://phabricator.wikimedia.org/T434549", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting (XSS).\n\nThis issue affects Mediawiki - Wikibase Extension: from * before 1.46.1, 1.45.5, 1.43.10."}], "lastModified": "2026-09-28T16:38:10.183", "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}