XSS in Rocket.chat

CVE-2020-8291

A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Rocket.chat
  • N/a Rocket.chat Server — versions Fixed versions: 3.10, 3.9.4, 3.8.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-8291?
CVE-2020-8291 is a medium-severity vulnerability in Rocket.chat, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-10-18.
How severe is CVE-2020-8291?
Medium severity. CVSS v3 base score is 6.1 out of 10.