Medium
Security advisory
An issue was discovered in Zimbra Collaboration (ZCS) 9.0. XSS can occur on the Classic UI login page by injecting arbitrary JavaScript code in the username field. This occurs before the user logs into the system, which means that even if the attacker executes arbitrary JavaScript, they will not get any sensitive information.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-45911
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 13:24 UTC · Revision 1
Source evidence
An issue was discovered in Zimbra Collaboration (ZCS) 9.0. XSS can occur on the Classic UI login page by injecting arbitrary JavaScript code in the username field. This occurs before the user logs into the system, which means that even if the attacker executes arbitrary JavaScript, they will not get any sensitive information.
osv:CVE-2022-45911
Complete source record
{
"id": "db41f89dbeb9e5883e559dd0ca0800482f3007b185cb89469c0a597fafb8cabc",
"url": "https://osv.dev/vulnerability/CVE-2022-45911",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-45911",
"summary": "An issue was discovered in Zimbra Collaboration (ZCS) 9.0. XSS can occur on the Classic UI login page by injecting arbitrary JavaScript code in the username field. This occurs before the user logs into the system, which means that even if the attacker executes arbitrary JavaScript, they will not get any sensitive information.",
"evidence": "osv:CVE-2022-45911",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2022-45911",
"aliases": [
"CVE-2022-45911"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/zimbra/zm-build",
"type": "GIT",
"events": [
{
"introduced": "b6cd8f69d2761c014d4a3807f0bdee0011386444"
},
{
"last_affected": "b20d016c829af1c0ffbaa0545c1deb96ccd5e2e5"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-NA"
},
{
"last_affected": "9.0.0-NA"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p0:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p0"
},
{
"last_affected": "9.0.0-p0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p1:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p1"
},
{
"last_affected": "9.0.0-p1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p19:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p19"
},
{
"last_affected": "9.0.0-p19"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p20:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p20"
},
{
"last_affected": "9.0.0-p20"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p23:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p23"
},
{
"last_affected": "9.0.0-p23"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p25:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p25"
},
{
"last_affected": "9.0.0-p25"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p26:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p26"
},
{
"last_affected": "9.0.0-p26"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p27:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p27"
},
{
"last_affected": "9.0.0-p27"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p4:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p4"
},
{
"last_affected": "9.0.0-p4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p7:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p7"
},
{
"last_affected": "9.0.0-p7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p7.1:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p7\\.1"
},
{
"last_affected": "9.0.0-p7\\.1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"9.0.0-NA",
"9.0.0-p0",
"9.0.0-p1",
"9.0.0-p20",
"9.0.0-p23",
"9.0.0-p25",
"9.0.0-p26",
"9.0.0-p27",
"9.0.0-p4",
"9.0.0-p7",
"9.0.0-p7\\.1",
"9.0.0",
"9.0.0.p7.1",
"9.0.0.p7",
"9.0.0.p4"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-45911.json"
}
}
],
"modified": "2026-10-28T02:30:35.740511462Z",
"provider": "osv",
"references": [
"https://wiki.zimbra.com/wiki/Security_Center",
"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/45xxx/CVE-2022-45911.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-45911"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/45xxx/CVE-2022-45911.json"
}
},
"related_cves": [
{
"value": "CVE-2022-45911",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 503076,
"published_at": "2023-01-06T00:00:00+00:00"
}