YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax
YesWiki from 4.2.0 before 4.7.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject script into comment bodies using the wakka raw-HTML syntax. Attackers can post comments via the /api/comments endpoint that render unescaped through the Twig raw filter, executing JavaScript in administrators' and visitors' sessions.
- Products
- yeswiki
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-116206
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 17:05 UTC · Revision 1
Source evidence
YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax
core-cve · Original sourcePublished 25 Oct 2026, 13:20 UTC
YesWiki from 4.2.0 before 4.7.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject script into comment bodies using the wakka raw-HTML syntax. Attackers can post comments via the /api/comments endpoint that render unescaped through the Twig raw filter, executing JavaScript in administrators' and visitors' sessions.
cve:CVE-2026-116206
yeswiki
Fixed versions: Not specified
Complete source record
{
"id": "a06bd20c3402e4e59692997f95a4cdc49097b614464958f46eaa04465acfb063",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-116206",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax",
"summary": "YesWiki from 4.2.0 before 4.7.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject script into comment bodies using the wakka raw-HTML syntax. Attackers can post comments via the /api/comments endpoint that render unescaped through the Twig raw filter, executing JavaScript in administrators' and visitors' sessions.",
"evidence": "cve:CVE-2026-116206",
"products": [
{
"name": {
"value": "yeswiki",
"evidence": "/containers/cna/affected/0/product"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "CVE-2026-116206",
"aliases": [
"CVE-2026-116206"
],
"metrics": [
{
"format": "CVSS",
"cvssV4_0": {
"version": "4.0",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"subIntegrityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"vulnConfidentialityImpact": "LOW"
}
},
{
"format": "CVSS",
"cvssV3_1": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
}
}
],
"affected": [
{
"vendor": "YesWiki",
"product": "yeswiki",
"versions": [
{
"status": "affected",
"version": "4.2.0",
"lessThan": "4.7.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.7.0",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"modified": "2026-10-25T13:20:36.803Z",
"provider": "cve",
"references": [
"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wq96-vjjh-hfc6",
"https://www.vulncheck.com/advisories/yeswiki-4.2.0-before-4.7.0-stored-xss-via-comment-raw-html-syntax"
],
"provider_metadata": {
"cna": {
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-10-25T13:20:36.803Z"
}
}
},
"related_cves": [
{
"value": "CVE-2026-116206",
"evidence": "/cveMetadata/cveId"
}
],
"security_relevant": true,
"severity_evidence": "/containers/cna/metrics"
},
"source_id": "core-cve",
"document_id": 146808,
"published_at": "2026-10-25T13:20:36.803+00:00"
}