CVE-2017-5590: Chatsecure

Medium severity, CVSS 5.9. EPSS: 0.7% 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 ChatSecure (3.2.0 - 4.0.0; only iOS) and Zom (all versions up to 1.0.11; only iOS).

Affected products

• Chatsecure Chatsecure: version 3.2.0 only; version 3.2.1 only; version 3.2.2 only; version 3.2.3 only; version 4.0.0 only
• Zom Zom: up to and including 1.0.11

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