{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-1879", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-02-04T07:49:19.915Z", "datePublished": "2026-04-01T10:00:10.991Z", "dateUpdated": "2026-04-01T10:00:10.991Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-01T10:00:10.991Z"}, "title": "Harvard University IQSS Dataverse Theme Customization ThemeAndWidgets.xhtml unrestricted upload", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-434", "lang": "en", "description": "Unrestricted Upload"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "Improper Access Controls"}]}], "affected": [{"vendor": "Harvard University", "product": "IQSS Dataverse", "versions": [{"version": "6.0", "status": "affected"}, {"version": "6.1", "status": "affected"}, {"version": "6.2", "status": "affected"}, {"version": "6.3", "status": "affected"}, {"version": "6.4", "status": "affected"}, {"version": "6.5", "status": "affected"}, {"version": "6.6", "status": "affected"}, {"version": "6.7", "status": "affected"}, {"version": "6.8", "status": "affected"}, {"version": "6.10", "status": "unaffected"}], "modules": ["Theme Customization"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in Harvard University IQSS Dataverse up to 6.8. This affects an unknown function of the file /ThemeAndWidgets.xhtml of the component Theme Customization. Performing a manipulation of the argument uploadLogo results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. Upgrading to version 6.10 mitigates this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}], "timeline": [{"time": "2026-04-01T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-04-01T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-04-01T11:22:07.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "JustF0rFun (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/354616", "name": "VDB-354616 | Harvard University IQSS Dataverse Theme Customization ThemeAndWidgets.xhtml unrestricted upload", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/354616/cti", "name": "VDB-354616 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/749003", "name": "Submit #749003 | Harvard University Dataverse Project 6.8 build 1994-92d1ec8 Unrestricted Upload", "tags": ["third-party-advisory"]}, {"url": "https://gist.github.com/KaiqueFerreiraPeres/ba039887d7f894a7c38252314e0ef2cc", "tags": ["exploit"]}, {"url": "https://github.com/IQSS/dataverse/releases/tag/v6.10", "tags": ["patch"]}]}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in Harvard University IQSS Dataverse up to 6.8. This affects an unknown function of the file /ThemeAndWidgets.xhtml of the component Theme Customization. Performing a manipulation of the argument uploadLogo results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. Upgrading to version 6.10 mitigates this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."}], "id": "CVE-2026-1879", "lastModified": "2026-04-01T10:16:15.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-04-01T10:16:15.490", "references": [{"source": "cna@vuldb.com", "url": "https://gist.github.com/KaiqueFerreiraPeres/ba039887d7f894a7c38252314e0ef2cc"}, {"source": "cna@vuldb.com", "url": "https://github.com/IQSS/dataverse/releases/tag/v6.10"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/749003"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/354616"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/354616/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-434"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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