PT-2021-12719 · Unknown · Rocket.Chat

Published 2021-01-21 · Updated 2021-02-01 · CVE-2020-8288

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Rocket.Chat server versions prior to 3.9.2

Description: The issue concerns a cross-site scripting (XSS) vulnerability. It is related to the specializedRendering function and can be exploited through the value parameter.

Recommendations: For versions prior to 3.9.2, update to version 3.9.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of the specializedRendering function until a patch is available. Avoid using the value parameter in the affected function until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-8288

Affected Products

Rocket.Chat

References · 6

• 🔥 https://hackerone.com/reports/899954 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-8288 · Security Note
• https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-8288 · Vendor Advisory
• https://docs.rocket.chat/guides/security/security-updates · Vendor Advisory
• https://t.me/cvenotify/9224 · Telegram Post