CVE-2017-5858

An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application’s display. This allows for various kinds of social engineering attacks. This CVE is for Converse.js (0.8.0 – 1.0.6, 2.0.0 – 2.0.4).

Source: CVE-2017-5858