Medium
Security advisory
An XSS issue was discovered in Zammad 3.0 through 3.2. Malicious code can be provided by a low-privileged user through the Ticket functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens the ticket or has the ticket within the Toolbar.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-10099
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:06 UTC · Revision 1
Source evidence
An XSS issue was discovered in Zammad 3.0 through 3.2. Malicious code can be provided by a low-privileged user through the Ticket functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens the ticket or has the ticket within the Toolbar.
osv:CVE-2020-10099
Complete source record
{
"id": "ac4dcce440397e467f0b7a6ba09529674ec482d479d9de1ce190f309c9199c86",
"url": "https://osv.dev/vulnerability/CVE-2020-10099",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-10099",
"summary": "An XSS issue was discovered in Zammad 3.0 through 3.2. Malicious code can be provided by a low-privileged user through the Ticket functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens the ticket or has the ticket within the Toolbar.",
"evidence": "osv:CVE-2020-10099",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-10099",
"aliases": [
"CVE-2020-10099"
],
"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"
},
{
"last_affected": "e0ff35cb1492d1fd09f971ead0426ea6acbbef30"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.0"
},
{
"last_affected": "3.2.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10099.json"
}
}
],
"modified": "2026-10-24T10:30:48.548420741Z",
"provider": "osv",
"references": [
"https://zammad.com/news/security-advisory-zaa-2020-01"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-10099",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 436796,
"published_at": "2020-03-05T01:15:11.223+00:00"
}