CVE-2018-13879

Description

A reflected XSS issue was discovered in the registration form in Rocket.Chat before 0.66. When one creates an account, the next step will ask for a username. This field will not save HTML control characters but an error will be displayed that shows the attempted username unescaped via packages/rocketchat-ui-login/client/username/username.js in packages/rocketchat-ui-login/client/username/username.html.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/RocketChat/Rocket.Chat/issues/10795 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-13879?
CVE-2018-13879 has been scored as a medium severity vulnerability.
How to fix CVE-2018-13879?
To fix CVE-2018-13879, 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-2018-13879 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-13879 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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