Greetings-

With the security/maintenance release of MediaWiki 1.39.9/1.41.3/1.42.2, we would also like to provide this supplementary announcement of MediaWiki extensions and skins with now-public Phabricator tasks, security patches and backports [1]:

PageTriage + (T366991, CVE-2024-47848) - User can review/unreview articles while blocked https://gerrit.wikimedia.org/r/q/I0288a715f7040a14ab7f70b2888fe1ef77a44588

CSS + (T368594, CVE-2024-47845) - CSS sanitizer used incorrectly https://gerrit.wikimedia.org/r/q/I6f38f4a8fc1dcd690ab27b8f18ce6ca903bacc53

Widgets + (T370022, CVE-2024-35226) - smarty library version has CVE https://gerrit.wikimedia.org/r/q/I18f161c338f8c52477a766524c255a31879d5e63

Cargo + (T370632, CVE-2024-47849) - Backticks can allow the usage of not-allowed SQL functions https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1055963

Cargo + (T372209, CVE-2024-47846) - Special:DeleteCargoTable and Special:SwitchCargoTable have no CSRF protection https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1062723

Cargo + (T372211, CVE-2024-47847) - Various XSSes found in Cargo https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1063804 https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1063806 https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1063827 https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1063831

Apex + (T370081, CVE-2024-47840) - Stored XSS through sidebar https://gerrit.wikimedia.org/r/q/Id9093783051c3f8e6dcb5dc89f9493a5f5cf7bd7

CSS + (T369486, CVE-2024-47841) - Path traversal when loading stylesheets https://gerrit.wikimedia.org/r/q/I46613d8d50fc978bdac58e2b312ee03324c1edc8

DataTransfer + (T375358, CVE-2024-45048, CVE-2024-45046) - vulnerable version of `phpoffice/phpspreadsheet` https://gerrit.wikimedia.org/r/c/mediawiki/extensions/DataTransfer/+/1074761

The Wikimedia Security Team recommends updating these extensions and/or skins to the current master branch or relevant, supported release branch [2] as soon as possible. Some of the referenced Phabricator tasks above _may_ still be private. Unfortunately, when security issues are reported, sometimes sensitive information is exposed and since Phabricator is historical, we cannot make these tasks public without exposing this sensitive information. If you have any additional questions or concerns regarding this update, please feel free to contact security@wikimedia.org or file a security task within Phabricator [3].

[1] https://phabricator.wikimedia.org/T368628 [2] https://www.mediawiki.org/wiki/Version_lifecycle [3] https://www.mediawiki.org/wiki/Reporting_security_bugs