| Package | Affected versions | Patched versions |
|---|---|---|
| starcitizentools/citizen-skin | ≥ 2.4.2, < 3.3.1 | 3.3.1 |
| citizen | < 3.3.1 | 3.3.1 |
All system messages in menu headings using the Menu.mustache template are inserted as raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM.
The system messages for menu headings are inserted unescaped into raw HTML: https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/072e4365e9084e4b153eac62d3666566c06f5a49/templates/Menu.mustache#L8-L10
uselang parameter set to x-xssOn the main page of my test wiki, the following messages were shown: navigation, notifications, user-interface-preferences, personaltools, variants, views, associated-pages, cactions and toolbox.
This impacts wikis where a group has the editinterface but not the editsitejs user right.
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