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CVSS: 6.1EPSS: 0%CPEs: 6EXPL: 0

An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title, used on Special:Contributions, is used as page title without escaping. Hence, in a non-default configuration where a username contains HTML entities, it won't be escaped. Se ha descubierto un problema en MediaWiki versiones anteriores a 1.37.3 y en versiones 1.38.x anteriores a 1.38.1. El contributions-title, usa en Special:Contributions, es usadao como título de la página sin escapar. • https://lists.debian.org/debian-lts-announce/2022/09/msg00027.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7N5ZBWLNNPZKFK7Q4KEHGCJ2YELQEUJP https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKKOQXPYLMBSEVDHFS32BPBR3ZQJKY5B https://phabricator.wikimedia.org/T308473 https://security.gentoo.org/glsa/202305-24 https://www.debian.org/security/2022/dsa-5246 •

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

An issue was discovered in MediaWiki through 1.38.1. The lemma length of a Wikibase lexeme is currently capped at a thousand characters. Unfortunately, this length is not validated, allowing much larger lexemes to be created, which introduces various denial-of-service attack vectors within the Wikibase and WikibaseLexeme extensions. This is related to Special:NewLexeme and Special:NewProperty. Se ha detectado un problema en MediaWiki versiones hasta 1.38.1. • https://gerrit.wikimedia.org/r/q/I8171bfef73e525d73efa60b407ce147130ea4742 https://gerrit.wikimedia.org/r/q/Id89a9b08e40f075d2d422cafd03668dff3ce7fc9 https://phabricator.wikimedia.org/T308659 • CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 4.3EPSS: 0%CPEs: 136EXPL: 0

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.2 allows remote attackers to inject arbitrary web script or HTML via crafted Cascading Style Sheets (CSS) comments, aka "CSS injection vulnerability." Múltiples vulnerabilidades de ejecución de secuencias de comandos en sitios cruzados (XSS) en MediaWiki anterior a v1.16.2, permite a atacantes remotos inyectar secuencias de comandos web o HTML mediante una hoja de estilos (CSS) manipulada, también conocido como "vulnerabilidad de inyección de CSS." • http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-February/000095.html http://osvdb.org/70770 http://secunia.com/advisories/43142 http://www.securityfocus.com/bid/46108 http://www.vupen.com/english/advisories/2011/0273 https://bugzilla.wikimedia.org&# • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 5.8EPSS: 0%CPEs: 135EXPL: 0

MediaWiki before 1.16.1, when user or site JavaScript or CSS is enabled, allows remote attackers to conduct clickjacking attacks via unspecified vectors. MediaWiki anterior a v1.16.1, cuando el usuario o el sitio JavaScript o CSS está activado, permite a atacantes remotos realizar ataques de clickjacking a través de vectores no especificados. • http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-January/000093.html http://secunia.com/advisories/42810 http://www.openwall.com/lists/oss-security/2011/01/04/12 http://www.openwall.com/lists/oss-security/2011/01/04/6 http://www.osvdb.org& • CWE-20: Improper Input Validation •

CVSS: 4.3EPSS: 0%CPEs: 20EXPL: 0

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.4.5 allows remote attackers to inject arbitrary web script via HTML attributes in page templates. • http://sourceforge.net/project/shownotes.php?release_id=332231 http://www.novell.com/linux/security/advisories/2005_19_sr.html http://www.securityfocus.com/bid/13861 •