CVE-2017-5603: Jitsi

Medium severity, CVSS 5.9. EPSS: 1.6% chance of exploitation in the next 30 days.

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 Jitsi 2.5.5061 - 2.9.5544.

Affected products

• Jitsi Jitsi: version 2.5.5061 only; version 2.9.5544 only

Published 2017-02-09. Last modified 2026-06-17.