PT-2021-12720 · Unknown · Rocket.Chat

Published 2021-10-18 · Updated 2021-10-21 · CVE-2020-8291

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Rocket.Chat versions prior to 3.9

Description: A link preview rendering issue could lead to potential XSS attacks.

Recommendations: For versions prior to 3.9, update to version 3.9 or later to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-8291

Affected Products

Rocket.Chat

References · 4

• https://github.com/RocketChat/Rocket.Chat/pull/19854 · Patch
• https://osv.dev/vulnerability/CVE-2020-8291 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8291 · Security Note
• https://t.me/cibsecurity/30687 · Telegram Post