Medium
Security advisory
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The vulnerability occurs due to inadequate input validation of the res parameter, allowing an authenticated attacker to inject and execute arbitrary JavaScript code within the context of another user's browser session. By uploading a malicious JavaScript file, accessible externally, and crafting a URL containing its location in the res parameter, the attacker can exploit this vulnerability. Subsequently, when another user visits the crafted URL, the malicious JavaScript code is executed.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-33536
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 16:57 UTC · Revision 1
Source evidence
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The vulnerability occurs due to inadequate input validation of the res parameter, allowing an authenticated attacker to inject and execute arbitrary JavaScript code within the context of another user's browser session. By uploading a malicious JavaScript file, accessible externally, and crafting a URL containing its location in the res parameter, the attacker can exploit this vulnerability. Subsequently, when another user visits the crafted URL, the malicious JavaScript code is executed.
osv:CVE-2024-33536
Complete source record
{
"id": "6c4783e31e3eae1ad98bedf596ee6b6f7bc2af6fb3d1d66415dcdcf2d2416922",
"url": "https://osv.dev/vulnerability/CVE-2024-33536",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2024-33536",
"summary": "An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The vulnerability occurs due to inadequate input validation of the res parameter, allowing an authenticated attacker to inject and execute arbitrary JavaScript code within the context of another user's browser session. By uploading a malicious JavaScript file, accessible externally, and crafting a URL containing its location in the res parameter, the attacker can exploit this vulnerability. Subsequently, when another user visits the crafted URL, the malicious JavaScript code is executed.",
"evidence": "osv:CVE-2024-33536",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-33536",
"aliases": [
"CVE-2024-33536"
],
"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/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: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:p37:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p37"
},
{
"last_affected": "9.0.0-p37"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:zimbra:collaboration:9.0.0:p38:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-p38"
},
{
"last_affected": "9.0.0-p38"
}
],
"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-p33",
"9.0.0-p36",
"9.0.0-p37",
"9.0.0-p38",
"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-2024-33536.json"
}
}
],
"modified": "2026-10-28T02:30:30.351194929Z",
"provider": "osv",
"references": [
"https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.8#Security_Fixes",
"https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P40#Security_Fixes",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33536.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-33536"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33536.json"
}
},
"related_cves": [
{
"value": "CVE-2024-33536",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 497349,
"published_at": "2024-08-12T00:00:00+00:00"
}