CVE-2026-87901
Full vulnerability record from the local CVENow database.
Description
Improper sanitization in the registration module allows reflected Cross-Site Scripting.
Severity
HIGH
CVSS score
8.3
(v3.0)
Vulnerability status
Deferred
Source identifier
Published
2026-10-23 17:17:22.137000
Last modified
2026-10-23 17:17:22.250000
View original CVE JSON
{
"id": "CVE-2026-87901",
"sourceIdentifier": "[email protected]",
"published": "2026-10-23T17:17:22.137",
"lastModified": "2026-10-23T17:17:22.250",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Improper sanitization in the registration module allows reflected Cross-Site Scripting."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "phpBB",
"product": "phpBB",
"defaultStatus": "unaffected",
"versions": [
{
"version": "3.3.0",
"lessThanOrEqual": "3.3.18",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV30": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.0",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 5.5
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"references": [
{
"url": "https://www.phpbb.com/community/viewtopic.php?t=2675305",
"source": "[email protected]"
}
]
}