Medium
Security advisory
An issue was discovered in Zammad before 3.4.1. There is Stored XSS via a Tags element in a TIcket.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-26035
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:03 UTC · Revision 1
Source evidence
An issue was discovered in Zammad before 3.4.1. There is Stored XSS via a Tags element in a TIcket.
osv:CVE-2020-26035
Complete source record
{
"id": "83954de1c51d111111bad8f11d337e81167494d417af335fbaeb568053be4cda",
"url": "https://osv.dev/vulnerability/CVE-2020-26035",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-26035",
"summary": "An issue was discovered in Zammad before 3.4.1. There is Stored XSS via a Tags element in a TIcket.",
"evidence": "osv:CVE-2020-26035",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-26035",
"aliases": [
"CVE-2020-26035"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/zammad/zammad",
"type": "GIT",
"events": [
{
"introduced": "9bdf6d7b816d4e55501e13d12dc0d9b53cf16f5c"
},
{
"fixed": "a12d45896b1518190fe00a120d6b92f8c29f1f54"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.0"
},
{
"fixed": "3.4.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26035.json"
}
}
],
"modified": "2026-10-24T10:31:02.165040783Z",
"provider": "osv",
"references": [
"https://zammad.com/news/security-advisory-zaa-2020-21"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-26035",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 439961,
"published_at": "2020-12-28T08:15:11.48+00:00"
}