CVE-2026-47173

Quest Bot (Discord bot) prior to v1.0.3 is vulnerable: a normal user can create a ticket with a reason containing @everyone/@here, user or role mentions, causing the attacker-controlled reason to be posted in the new ticket channel if mentions are not suppressed. If the bot has permission to use ...

@mention Notification for Comments on Restricted Page in Confluence 5.4.x

In Confluence 5.4.x versions, the user is getting comment notifications in a page that he's restricted to view. If you restrict an user to view or edit the page through 'Tools Restrictions' and then comment in a page, the user will get the notification about it in the Workbox. h4.Steps to...

persistent xss in a user's username within mentions within comments

A user's username is injected into the "rel" attribute of the user mention link without being encoded properly. This means that if the username contains a " character then new attributes can be injected into the user mention link element. Hence, providing a persistent xss vector. To reproduce thi...