Citizen vulnerable to stored XSS in sticky header button messages

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Citizen from 3.3.0 to 3.9.0 are vulnerable to stored cross-site scripting in the sticky header button message handling. In stickyHeader.js the copyButtonAttributes function assigns innerHTML from a source element’s textContent when copying button labels. This causes escaped HTML in system message content (such as citizen-share, citizen-view-history, citizen-view-edit, and nstab-talk) to be interpreted as HTML in the sticky header, allowing injection of arbitrary script by a user with the ability to edit interface messages. The vulnerability allows a user with the editinterface right but without the editsitejs right (by default the sysop group has editinterface but may not have editsitejs) to execute arbitrary JavaScript in other users’ sessions, enabling unauthorized access to sensitive data or actions. The issue is fixed in 3.9.0.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

Citizen 跨站脚本漏洞

Citizen是Star Citizen Wiki团队的一款美观、易用、响应迅速的MediaWiki皮肤。 Citizen 3.3.0版本至3.9.0版本存在跨站脚本漏洞，该漏洞源于stickyHeader.js中copyButtonAttributes函数处理不当，可能导致存储型跨站脚本攻击。

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