Medium (6.1) in rocket.chat rocket.chat. EPSS 0.3% chance of exploitation in the next 30 days.
Rocket.Chat 6.12.0, 6.11.2, 6.10.5, 6.9.6, 6.8.6, 6.7.8, and earlier is vulnerable to DOM-based Cross-site Scripting (XSS). Attackers may be able to abuse the UpdateOTRAck method to forge a message that contains an XSS payload.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)