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CVSS: 4.3EPSS: 0%CPEs: 23EXPL: 0

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS. Vulenrabilidad de lista negra incompleta en Sanitizer::checkCss en MediaWiki anterior a 1.19.9, 1.20.x anterior a 1.20.8 y 1.21.x anterior a 1.21.3 que permite a atacantes remotos realizar cross-site scripting (XSS) a través de un \b (retroceso carácter) en el CSS. • http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html http://secunia.com/advisories/57472 http://www.debian.org/security/2014/dsa-2891 http://www.securityfocus.com/bid/63760 https://bugzilla.wikimedia.org/show_bug.cgi?id=55332 •

CVSS: 4.3EPSS: 0%CPEs: 23EXPL: 0

The CleanChanges extension for MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3, when "Group changes by page in recent changes and watchlist" is enabled, allows remote attackers to obtain sensitive information (revision-deleted IPs) via the Recent Changes page. La extensión CleanChanges de MediaWiki anterior a 1.19.9, 1.20.x anterior a 1.20.8 y 1.21.x anterior a 1.21.3, cuando "Group changes by page in recent changes and watchlist" está activada, permite a atacantes remotos obtener información sensible (revision-borrado IPs) a través de la página Recent Changes. • http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html https://bugzilla.wikimedia.org/show_bug.cgi?id=54294 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 4.3EPSS: 0%CPEs: 23EXPL: 0

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer. Vulnerabilidad de blacklist incompleta en Sanitizer::checkCss en MediaWiki anteriores a 1.19.9, 1.20.8, y 1.21.x (anteriores a 1.21.3) permite a atacantes remotos conducir ataques de cross-site scripting (XSS) a través de ciertos caracteres no-ASCII en CSS, como fue demostrado utilizando variaciones de "expresion" que contienen (1) caracteres de ancho total o (2) extensiones IPA, las cuales son convertidas y renderizadas por Internet Explorer. • http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html http://secunia.com/advisories/57472 http://www.debian.org/security/2014/dsa-2891 http://www.securityfocus.com/bid/63761 https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff https://bugzilla.wikimedia.org/show_bug.cgi?id=55332 •

CVSS: 5.0EPSS: 0%CPEs: 74EXPL: 0

MediaWiki before 1.19.6 and 1.20.x before 1.20.5 does not allow extensions to prevent password changes without using both Special:PasswordReset and Special:ChangePassword, which allows remote attackers to bypass the intended restrictions of an extension that only implements one of these blocks. MediaWiki anteriores a 1.19.6, y 1.20.x anteriores a 1.20.5 no permite a las extensiones prevenir cambios en las contraseñas sin usar Special:PasswordReset y Special:ChangePassword, lo cual permite a atacantes remotos sortear restricciones de acceso en extensiones que sólo implementan uno de estos bloques. • http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105784.html http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105825.html http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106293.html http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-April/000129.html http://secunia.com/advisories/55433 http://security.gentoo.org/glsa/glsa-201310-21.xml https://bugzilla.wikimedia.org/show_bug.cgi?id=46590 • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 7.5EPSS: 1%CPEs: 6EXPL: 0

MediaWiki before 1.19.4 and 1.20.x before 1.20.3 allows remote attackers to cause a denial of service (application crash) by sending a specially crafted request. MediaWiki versiones anteriores a la versión 1.19.4 y versiones 1.20.x anteriores a 1.20.3, permite a atacantes remotos causar una denegación de servicio (bloqueo de aplicación) mediante el envío de una petición especialmente diseñada. • http://security.gentoo.org/glsa/glsa-201310-21.xml http://www.openwall.com/lists/oss-security/2013/03/05/4 http://www.securityfocus.com/bid/58306 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-1816 https://exchange.xforce.ibmcloud.com/vulnerabilities/88360 https://security-tracker.debian.org/tracker/CVE-2013-1816 • CWE-20: Improper Input Validation •