CVE-2012-4378
Estado: ModificadaMedia (6.1)—
Múltiples vulnerabilidades Cross-Site Scripting (XSS) en MediaWiki en versiones anteriores a la 1.18.5 y en versiones 1.19.x anteriores a la 1.19.2, cuando se usan gadgets de JavaScript sin especificar, permiten que atacantes remotos inyecten scripts web o HTML arbitrarios mediante el parámetro userlang en w/index.php.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 6.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.55%
- Percentil entre todas las CVEs puntuadas: 74
- Fecha de la puntuación: 8/10/2026
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).
Tecnologías afectadas (1)
CWE
- CWE-79
Referencias
- http://www.openwall.com/lists/oss-security/2012/08/31/10
- http://www.openwall.com/lists/oss-security/2012/08/31/6
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
- https://bugzilla.redhat.com/show_bug.cgi?id=853417
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
- https://phabricator.wikimedia.org/T39587
- http://www.openwall.com/lists/oss-security/2012/08/31/10
- http://www.openwall.com/lists/oss-security/2012/08/31/6
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
- https://bugzilla.redhat.com/show_bug.cgi?id=853417
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
- https://phabricator.wikimedia.org/T39587
JSON original (NVD)
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"value": "Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php."
},
{
"lang": "es",
"value": "Múltiples vulnerabilidades Cross-Site Scripting (XSS) en MediaWiki en versiones anteriores a la 1.18.5 y en versiones 1.19.x anteriores a la 1.19.2, cuando se usan gadgets de JavaScript sin especificar, permiten que atacantes remotos inyecten scripts web o HTML arbitrarios mediante el parámetro userlang en w/index.php."
}
],
"lastModified": "2026-06-16T23:44:54.317",
"configurations": [
{
"nodes": [
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"negate": false,
"cpeMatch": [
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