CVE-2018-13878

Description

An XSS issue was discovered in packages/rocketchat-mentions/Mentions.js in Rocket.Chat before 0.65. The real name of a username is displayed unescaped when the user is mentioned (using the @ symbol) in a channel or private chat. Consequently, it is possible to exfiltrate the secret token of every user and also admins in the channel.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/RocketChat/Rocket.Chat/pull/10793 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-13878?
CVE-2018-13878 has been scored as a medium severity vulnerability.
How to fix CVE-2018-13878?
To fix CVE-2018-13878, 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-2018-13878 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-13878 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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