CVE-2020-15926

MEDIUM

Rocket.Chat < 3.4.2 - Stored Cross-Site Scripting and Remote Code Execution via Crafted Message

Title source: llm
STIX 2.1

Description

Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.

References (3)

Core 3
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/RocketChat/Rocket.Chat/commits/develop
Patch, Third Party Advisory x_refsource_misc
https://github.com/RocketChat/Rocket.Chat/pull/18356
Exploit, Third Party Advisory x_refsource_misc
https://blog.redteam.pl/2020/08/rocket-chat-xss-rce-cve-2020-15926.html

Scores

CVSS v3 6.1
EPSS 0.0283
EPSS Percentile 84.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
rocket.chat/rocket.chat < 3.4.2
Published Aug 18, 2020
Tracked Since Feb 18, 2026