XSS in Rocket.chat

CVE-2020-8292

Rocket.Chat server before 3.9.0 is vulnerable to a self cross-site scripting (XSS) vulnerability via the drag & drop functionality in message boxes.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (56.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

  • Rocket.chat
  • N/a Rocket.chat Server — versions Fixed in 3.9.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-8292?
CVE-2020-8292 is a medium-severity vulnerability in Rocket.chat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-01-26.
How severe is CVE-2020-8292?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-8292 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.