All vulnerabilities

Servers and applications

CVE-2023-23917

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an attacker to a RCE under the admin account. Any user can create their own server in your cloud and become an admin so this vulnerability could affect the cloud infrastructure. This attack vector also may increase the impact of XSS to RCE which is dangerous for self-hosted users as well.

Severity
High 8.8
Published
23 Feb 2023
Last changed
24 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.2.0
Sources
NVD

Affected software

SoftwareAffected versions
Rocket.ChatServers and applications · cpe:a:rocket.chat:rocket.chat
  • Every version before 5.2.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-23917
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-23917