Medium
Security advisory
In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, a user with the ability to use the import functionality of the `ImportExportController` behavior can be socially engineered by an attacker to upload a maliciously crafted CSV file which could result in a reflected XSS attack on the user in question Issue has been patched in Build 466 (v1.0.466).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-5298
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:13 UTC · Revision 1
Source evidence
In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, a user with the ability to use the import functionality of the `ImportExportController` behavior can be socially engineered by an attacker to upload a maliciously crafted CSV file which could result in a reflected XSS attack on the user in question Issue has been patched in Build 466 (v1.0.466).
osv:CVE-2020-5298
Complete source record
{
"id": "48e578d412b281ba1fcb759eb0649af93ac4d631418763adfee9deea9cabba8c",
"url": "https://osv.dev/vulnerability/CVE-2020-5298",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-5298",
"summary": "In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, a user with the ability to use the import functionality of the `ImportExportController` behavior can be socially engineered by an attacker to upload a maliciously crafted CSV file which could result in a reflected XSS attack on the user in question Issue has been patched in Build 466 (v1.0.466).",
"evidence": "osv:CVE-2020-5298",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-5298",
"aliases": [
"CVE-2020-5298",
"GHSA-gg6x-xx78-448c"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/octobercms/october",
"type": "GIT",
"events": [
{
"introduced": "ca3e13ed330d97fab89c75cfb826a006d126ce67"
},
{
"fixed": "9e64e638057f162717598a7962d63ba9f139436b"
},
{
"fixed": "cd0b6a791f995d86071a024464c1702efc50f46c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.319"
},
{
"fixed": "1.0.466"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "cd0b6a791f995d86071a024464c1702efc50f46c"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5298.json"
}
}
],
"modified": "2026-10-20T10:53:28.687229920Z",
"provider": "osv",
"references": [
"https://github.com/octobercms/october/commit/cd0b6a791f995d86071a024464c1702efc50f46c",
"https://github.com/octobercms/october/security/advisories/GHSA-gg6x-xx78-448c"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-5298",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384352,
"published_at": "2020-06-03T22:15:11.847+00:00"
}