Medium
Security advisory
mailboxd component in Synacor Zimbra Collaboration Suite 8.6, 8.7 before 8.7.11 Patch 7, and 8.8 before 8.8.10 Patch 2 has Persistent XSS.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-18631
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:22 UTC · Revision 1
Source evidence
mailboxd component in Synacor Zimbra Collaboration Suite 8.6, 8.7 before 8.7.11 Patch 7, and 8.8 before 8.8.10 Patch 2 has Persistent XSS.
osv:CVE-2018-18631
Complete source record
{
"id": "c91bac3a7bb0e2351f26f52b827fd96792d95eb52436bd3097bc3114eeb7cc79",
"url": "https://osv.dev/vulnerability/CVE-2018-18631",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-18631",
"summary": "mailboxd component in Synacor Zimbra Collaboration Suite 8.6, 8.7 before 8.7.11 Patch 7, and 8.8 before 8.8.10 Patch 2 has Persistent XSS.",
"evidence": "osv:CVE-2018-18631",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-18631",
"aliases": [
"CVE-2018-18631"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
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{
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},
{
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{
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},
{
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{
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{
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{
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"8.8.10-NA",
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{
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{
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{
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],
"modified": "2026-10-24T10:31:06.630046009Z",
"provider": "osv",
"references": [
"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories",
"https://bugzilla.zimbra.com/show_bug.cgi?id=109020"
],
"provider_metadata": {
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},
{
"last_affected": "8.7.11-p5"
},
{
"introduced": "8.7.11-p6"
},
{
"last_affected": "8.7.11-p6"
},
{
"introduced": "8.7.11-p6"
},
{
"last_affected": "8.7.11-p6"
},
{
"introduced": "8.8.9-p1"
},
{
"last_affected": "8.8.9-p1"
},
{
"introduced": "8.8.9-p1"
},
{
"last_affected": "8.8.9-p1"
},
{
"introduced": "8.8.9-p2"
},
{
"last_affected": "8.8.9-p2"
},
{
"introduced": "8.8.9-p2"
},
{
"last_affected": "8.8.9-p2"
},
{
"introduced": "8.8.9-p2"
},
{
"last_affected": "8.8.9-p2"
},
{
"introduced": "8.8.9-p3"
},
{
"last_affected": "8.8.9-p3"
},
{
"introduced": "8.8.9-p4"
},
{
"last_affected": "8.8.9-p4"
},
{
"introduced": "8.8.9-p4"
},
{
"last_affected": "8.8.9-p4"
},
{
"introduced": "8.8.9-p4"
},
{
"last_affected": "8.8.9-p4"
},
{
"introduced": "8.8.9-p6"
},
{
"last_affected": "8.8.9-p6"
},
{
"introduced": "8.8.9-p6"
},
{
"last_affected": "8.8.9-p6"
},
{
"introduced": "8.8.9-p6"
},
{
"last_affected": "8.8.9-p6"
},
{
"introduced": "8.8.9-p6"
},
{
"last_affected": "8.8.9-p6"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-18631",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441019,
"published_at": "2019-05-29T22:29:01.24+00:00"
}