CVE-2021-22886
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Rocket.chat
PublishedMar 26, 2021
First seenMar 26, 2021
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- rocket.chat rocket.chat3.8.8, 3.9.7, 3.10.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rocket.chat rocket.chat | v < 3.8.8, 3.9.0 ≤ v < 3.9.7, 3.10.0 ≤ v < 3.10.5, 3.11.0 | 3.8.8, 3.9.7, 3.10.5 |
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