Medium
Security advisory
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. Through the help document endpoint in webmail, an attacker can inject JavaScript or HTML code that leads to cross-site scripting (XSS). (Adding an adequate message to avoid malicious code will mitigate this issue.)
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-45206
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 03:26 UTC · Revision 1
Source evidence
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. Through the help document endpoint in webmail, an attacker can inject JavaScript or HTML code that leads to cross-site scripting (XSS). (Adding an adequate message to avoid malicious code will mitigate this issue.)
osv:CVE-2023-45206
Complete source record
{
"id": "45fc255929e0507b0b7bdb151ea3631bccb16fd12854dd6090bac231bf4af6ec",
"url": "https://osv.dev/vulnerability/CVE-2023-45206",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2023-45206",
"summary": "An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. Through the help document endpoint in webmail, an attacker can inject JavaScript or HTML code that leads to cross-site scripting (XSS). (Adding an adequate message to avoid malicious code will mitigate this issue.)",
"evidence": "osv:CVE-2023-45206",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2023-45206",
"aliases": [
"CVE-2023-45206"
],
"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": "ddeeea0a6b6b2ff0bcaf3264887c64104c886ac3"
},
{
"fixed": "dc4243167ae849bfecfac625c62de19ae367eeaf"
},
{
"introduced": "ac6081fa002b1511e926aba37740d2b6c20f3f43"
},
{
"last_affected": "b20d016c829af1c0ffbaa0545c1deb96ccd5e2e5"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.0.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-NA"
},
{
"last_affected": "8.8.15-NA"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p1:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p1"
},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p11:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p11"
},
{
"last_affected": "8.8.15-p11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p20:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p20"
},
{
"last_affected": "8.8.15-p20"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p26:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p26"
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{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p3:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p3"
},
{
"last_affected": "8.8.15-p3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p30:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p30"
},
{
"last_affected": "8.8.15-p30"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p31:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p31"
},
{
"last_affected": "8.8.15-p31"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p32:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p32"
},
{
"last_affected": "8.8.15-p32"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p33:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p33"
},
{
"last_affected": "8.8.15-p33"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p34:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p34"
},
{
"last_affected": "8.8.15-p34"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p35:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p35"
},
{
"last_affected": "8.8.15-p35"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p40:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p40"
},
{
"last_affected": "8.8.15-p40"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p43:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p43"
},
{
"last_affected": "8.8.15-p43"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:8.8.15:p5:*:*:*:*:*:*",
"range": [
{
"introduced": "8.8.15-p5"
},
{
"last_affected": "8.8.15-p5"
}
],
"source": "CPE_STRING"
},
{
"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:p33:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p33"
},
{
"last_affected": "9.0.0-p33"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p36:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p36"
},
{
"last_affected": "9.0.0-p36"
}
],
"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": [
"8.8.15-NA",
"8.8.15-p1",
"8.8.15-p20",
"8.8.15-p26",
"8.8.15-p3",
"8.8.15-p30",
"8.8.15-p31",
"8.8.15-p32",
"8.8.15-p33",
"8.8.15-p34",
"8.8.15-p35",
"8.8.15-p40",
"8.8.15-p43",
"8.8.15-p5",
"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-p33",
"9.0.0-p36",
"9.0.0-p4",
"9.0.0-p7",
"9.0.0-p7\\.1",
"10.0.4",
"10.0.1",
"10.0.0-GA",
"10.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45206.json"
}
}
],
"modified": "2026-10-28T02:30:25.572961799Z",
"provider": "osv",
"references": [
"https://wiki.zimbra.com/wiki/Security_Center",
"https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy",
"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45206.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-45206"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45206.json"
}
},
"related_cves": [
{
"value": "CVE-2023-45206",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 492187,
"published_at": "2024-02-13T00:00:00+00:00"
}