CVE-2021-22886

State: Published
Severity: Not scored
Published: Mar 26, 2021
Updated: Aug 3, 2024
Reserved: Jan 6, 2021

Description

Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app.

Scores

The record has no CVSS score.

Weaknesses

CWE-79 Cross-site Scripting (XSS) - Stored (CWE-79)

Affected Products

Product	Versions
Rocket.Chatn/a	Fixed in 3.11, 3.10.5, 3.9.7, 3.8.8Affected

References

https://docs.rocket.chat/guides/security/security-updates
https://hackerone.com/reports/1014459
https://github.com/RocketChat/Rocket.Chat/pull/20430

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