Low
Discourse is vulnerable to XSS when quoting chat messages
Type: advisorySources: OSV
Discourse is an open-source community discussion platform. Versions 3.5.0 and below are vulnerable to XSS attacks through parsing and rendering of chat channel titles and chat thread titles via the quote message functionality when using the rich text editor. This issue is fixed in version 3.5.1.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-58054
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 18:10 UTC · Revision 1
Source evidence
Discourse is vulnerable to XSS when quoting chat messages
core-osv · Original sourcePublished 1 Oct 2025, 18:42 UTC
Discourse is an open-source community discussion platform. Versions 3.5.0 and below are vulnerable to XSS attacks through parsing and rendering of chat channel titles and chat thread titles via the quote message functionality when using the rich text editor. This issue is fixed in version 3.5.1.
osv:CVE-2025-58054
Complete source record
{
"id": "90595912f3da993532c52c5481980ec4c69398daaff0bf95c0a8c9517b626546",
"url": "https://osv.dev/vulnerability/CVE-2025-58054",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Discourse is vulnerable to XSS when quoting chat messages",
"summary": "Discourse is an open-source community discussion platform. Versions 3.5.0 and below are vulnerable to XSS attacks through parsing and rendering of chat channel titles and chat thread titles via the quote message functionality when using the rich text editor. This issue is fixed in version 3.5.1.",
"evidence": "osv:CVE-2025-58054",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2025-58054",
"aliases": [
"BIT-discourse-2025-58054",
"CVE-2025-58054",
"GHSA-7p47-8m82-m2vf"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/discourse/discourse",
"type": "GIT",
"events": [
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{
"fixed": "05a304006600f36c3e45d19c9c5919f43f5541c9"
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{
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}
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{
"cpe": "cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*",
"range": [
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},
{
"fixed": "3.5.0"
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"source": "CPE_RANGE"
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{
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"range": [
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"source": "CPE_STRING"
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"source": "REFERENCES_COMMIT"
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}
],
"modified": "2026-10-28T02:30:51.404409596Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/58xxx/CVE-2025-58054.json",
"https://github.com/discourse/discourse/security/advisories/GHSA-7p47-8m82-m2vf",
"https://nvd.nist.gov/vuln/detail/CVE-2025-58054",
"https://github.com/discourse/discourse/commit/3a224fd546d894ee408e7414b6879e814a792f91"
],
"provider_metadata": {
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],
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/58xxx/CVE-2025-58054.json"
}
},
"related_cves": [
{
"value": "CVE-2025-58054",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 520060,
"published_at": "2025-10-01T18:42:54.7+00:00"
}