Medium
Discourse has an XSS via Onebox system
Type: advisorySources: OSV
Discourse is an open source discussion platform. Prior to 3.2.3 and 3.3.0.beta3, improperly sanitized Onebox data could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. This vulnerability is fixed in 3.2.3 and 3.3.0.beta3.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-37165
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 6 Nov 2026, 19:04 UTC · Revision 1
Source evidence
Discourse is an open source discussion platform. Prior to 3.2.3 and 3.3.0.beta3, improperly sanitized Onebox data could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. This vulnerability is fixed in 3.2.3 and 3.3.0.beta3.
osv:CVE-2024-37165
Complete source record
{
"id": "1ee7eb1cdf3a704a66595e5c88f673604920511c89060c4dddb9636373f5254b",
"url": "https://osv.dev/vulnerability/CVE-2024-37165",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Discourse has an XSS via Onebox system",
"summary": "Discourse is an open source discussion platform. Prior to 3.2.3 and 3.3.0.beta3, improperly sanitized Onebox data could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. This vulnerability is fixed in 3.2.3 and 3.3.0.beta3.",
"evidence": "osv:CVE-2024-37165",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-37165",
"aliases": [
"BIT-discourse-2024-37165",
"CVE-2024-37165",
"GHSA-cx83-5p6x-9qh9"
],
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
}
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"modified": "2026-10-28T02:30:47.913447681Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/37xxx/CVE-2024-37165.json",
"https://github.com/discourse/discourse/security/advisories/GHSA-cx83-5p6x-9qh9",
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"https://github.com/discourse/discourse/commit/26aef0c288839378b9de5819e96eac8cf4ea60fd",
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"evidence": "/id"
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"source_id": "core-osv",
"document_id": 515938,
"published_at": "2024-07-30T14:10:24.804+00:00"
}