CVE-2021-22886

Published Mar 26, 2021 CVSS 3.1 · 6.1 Medium EPSS 1.9% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-10018 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Aug 3, 2024, 6:58 PM
Reserved
Jan 6, 2021, 12:00 AM
Status
Modified
Published
Mar 26, 2021, 7:15 PM
Modified
Jun 17, 2026, 3:37 AM