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1 vulnerability found for Joinchat by Unknown
CVE-2026-118071 (GCVE-0-2026-118071)
Vulnerability from cvelistv5
Published
2026-10-30 06:00
Modified
2026-10-30 13:26
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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"content": {
"id": "CVE-2026-118071",
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{
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],
"role": "CISA Coordinator",
"timestamp": "2026-10-30T13:17:01.452074Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-30T13:26:46.982Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Joinchat",
"vendor": "Unknown",
"versions": [
{
"lessThan": "6.4.2",
"status": "affected",
"version": "6.3.2",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Qi Qin"
},
{
"lang": "en",
"type": "coordinator",
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}
],
"descriptions": [
{
"lang": "en",
"value": "The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators."
}
],
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"providerMetadata": {
"dateUpdated": "2026-10-30T06:00:23.702Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
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"references": [
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"tags": [
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"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/6ac942c3-d39f-4431-97c4-ba9d8c87df21/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Joinchat 6.3.2 - 6.4.1 - Author+ Stored XSS via Button Block Message Attribute",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
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"assignerShortName": "WPScan",
"cveId": "CVE-2026-118071",
"datePublished": "2026-10-30T06:00:23.702Z",
"dateReserved": "2026-10-27T15:59:26.288Z",
"dateUpdated": "2026-10-30T13:26:46.982Z",
"state": "PUBLISHED"
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