CVE-2020-15926

Public Exploit

Description

Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.87% Top 30%
Third-Party Advisory redteam.pl Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/RocketChat/Rocket.Chat/commits/develop third party advisory patch
https://github.com/RocketChat/Rocket.Chat/pull/18356 third party advisory patch
https://blog.redteam.pl/2020/08/rocket-chat-xss-rce-cve-2020-15926.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-15926?
CVE-2020-15926 has been scored as a medium severity vulnerability.
How to fix CVE-2020-15926?
To fix CVE-2020-15926, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15926 being actively exploited in the wild?
It is possible that CVE-2020-15926 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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