Harvard University IQSS Dataverse Theme Customization ThemeAndWidgets.xhtml unrestricted upload
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-1879
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 15:41 UTC · Revision 1
Source evidence
Harvard University IQSS Dataverse Theme Customization ThemeAndWidgets.xhtml unrestricted upload
core-osv · Original sourcePublished 1 Apr 2026, 10:00 UTC
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.
osv:CVE-2026-1879
Complete source record
{
"id": "e02d4b6551f46acfba25342cc117cb324840e58472f358a9a3ae794a9dd0bb27",
"url": "https://osv.dev/vulnerability/CVE-2026-1879",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Harvard University IQSS Dataverse Theme Customization ThemeAndWidgets.xhtml unrestricted upload",
"summary": "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.",
"evidence": "osv:CVE-2026-1879",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2026-1879",
"aliases": [
"CVE-2026-1879"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/iqss/dataverse",
"type": "GIT",
"events": [
{
"introduced": "5f2413b5d518d01173d871133e5f63f8c0604b51"
},
{
"fixed": "270032e01ef1e5386eb768e03edd11ce39d15279"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.1"
},
{
"last_affected": "6.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.2"
},
{
"last_affected": "6.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.3"
},
{
"last_affected": "6.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.4"
},
{
"last_affected": "6.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.5"
},
{
"last_affected": "6.5"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.6"
},
{
"last_affected": "6.6"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.7"
},
{
"last_affected": "6.7"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "6.8"
},
{
"last_affected": "6.8"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"fixed": "270032e01ef1e5386eb768e03edd11ce39d15279"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v6.10"
}
]
}
}
],
"versions": [
"6.0",
"6.1",
"6.2",
"6.3",
"6.4",
"6.5",
"6.6",
"6.7",
"6.8",
"v6.9",
"v6.8",
"v6.7.1",
"v6.7",
"v6.6",
"v6.5",
"v6.4",
"v6.3",
"v6.2",
"v6.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1879.json"
}
}
],
"modified": "2026-10-28T02:30:36.930017428Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1879.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-1879",
"https://vuldb.com/submit/749003",
"https://vuldb.com/vuln/354616",
"https://vuldb.com/vuln/354616/cti",
"https://github.com/IQSS/dataverse/releases/tag/v6.10",
"https://gist.github.com/KaiqueFerreiraPeres/ba039887d7f894a7c38252314e0ef2cc"
],
"provider_metadata": {
"cwe_ids": [
"CWE-284",
"CWE-434"
],
"cna_assigner": "VulDB",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1879.json"
}
},
"related_cves": [
{
"value": "CVE-2026-1879",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 504214,
"published_at": "2026-04-01T10:00:10.991+00:00"
}