CVE-2025-66686
Full vulnerability record from the local CVENow database.
Description
A stored Cross-Site Scripting (XSS) vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any authenticated user clicks the Help button, potentially leading to session hijacking, information disclosure, privilege escalation, and unauthorized administrative actions.
Severity
MEDIUM
CVSS score
6.1
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-01-07 17:16:01.117000
Last modified
2026-11-04 22:10:00.210000
View original CVE JSON
{
"id": "CVE-2025-66686",
"sourceIdentifier": "[email protected]",
"published": "2026-01-07T17:16:01.117",
"lastModified": "2026-11-04T22:10:00.210",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A stored Cross-Site Scripting (XSS) vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any authenticated user clicks the Help button, potentially leading to session hijacking, information disclosure, privilege escalation, and unauthorized administrative actions."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de Cross-Site Scripting (XSS) almacenada en Perch CMS versión 3.2. Un atacante autenticado con privilegios administrativos puede inyectar código JavaScript malicioso en la configuración ’Help button url’ dentro del panel de administración. La carga útil inyectada es almacenada y ejecutada cuando cualquier usuario autenticado hace clic en el botón de Ayuda, lo que podría llevar a secuestro de sesión, revelación de información, escalada de privilegios y acciones administrativas no autorizadas."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-01-07T17:08:20.628444Z",
"id": "CVE-2025-66686",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:grabaperch:perch:3.2:*:*:*:*:*:*:*",
"matchCriteriaId": "914354F9-2440-4FC0-BECC-C3A08FFDB6EF"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/mertdurum06/Perch-v3.2",
"source": "[email protected]",
"tags": [
"Exploit"
]
},
{
"url": "https://github.com/mertdurum06/Perch-v3.2/blob/main/Perch%20v3.2_Poc.txt",
"source": "[email protected]",
"tags": [
"Exploit",
"Third Party Advisory"
]
}
]
}