CVE-2025-21612
Estado: AplazadaAlta (8.6)—
TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Prior to 2.7.2, TabberTransclude.php doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This vulnerability is fixed in 2.7.2.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
- Puntuación base: 8.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.51%
- Percentil entre todas las CVEs puntuadas: 41
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access60 % - Impacto principal
T1059.007JavaScriptexecution55 %
Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-79, CWE-80
Referencias
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/d8c3db4e5935476e496d979fb01f775d3d3282e6
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/f229cab099c69006e25d4bad3579954e481dc566
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/security/advisories/GHSA-4x6x-8rm8-c37j
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-21612",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-21612",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-01-06T16:51:40.445477Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.6,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 4.7,
"exploitabilityScore": 3.9
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.6,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 4.7,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "StarCitizenTools",
"product": "mediawiki-extensions-TabberNeue",
"versions": [
{
"status": "affected",
"version": ">= 1.9.1, < 2.7.2"
},
{
"status": "affected",
"version": ">= d8c3db4e5935476e496d979fb01f775d3d3282e6, < f229cab099c69006e25d4bad3579954e481dc566"
}
]
}
]
}
],
"published": "2025-01-06T16:15:31.633",
"references": [
{
"url": "https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/d8c3db4e5935476e496d979fb01f775d3d3282e6",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/f229cab099c69006e25d4bad3579954e481dc566",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/security/advisories/GHSA-4x6x-8rm8-c37j",
"source": "security-advisories@github.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-79"
},
{
"lang": "en",
"value": "CWE-80"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Prior to 2.7.2, TabberTransclude.php doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This vulnerability is fixed in 2.7.2."
},
{
"lang": "es",
"value": "TabberNeue es una extensión de MediaWiki que permite que la wiki cree pestañas. Antes de la versión 2.7.2, TabberTransclude.php no omite el nombre de la página proporcionado por el usuario al generar la salida, por lo que se puede utilizar un payload XSS como nombre de la página. Esta vulnerabilidad se solucionó en la versión 2.7.2."
}
],
"lastModified": "2026-06-17T08:43:51.190",
"sourceIdentifier": "security-advisories@github.com"
}