CVE-2018-13879

Medium

Description

A reflected XSS issue was discovered in the registration form in Rocket.Chat before 0.66. When one creates an account, the next step will ask for a username. This field will not save HTML control characters but an error will be displayed that shows the attempted username unescaped via packages/rocketchat-ui-login/client/username/username.js in packages/rocketchat-ui-login/client/username/username.html.

SeverityMedium
CVSS5.4
Exploit probability—
ProductRocket.chat
PublishedJul 11, 2018
First seenJul 11, 2018

How to fix

Update
  • rocket.chat rocket.chat0.66 or later

Affected products

ProductAffected versionsFixed in
rocket.chat rocket.chatv < 0.660.66

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CVE-2018-13879 · Rocket.chat · Dark Radar