CVE-2018-13878

Name: CVE-2018-13878
Creator: NVD / NIST
Published: 2018-07-11T01:29:01.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.76%

Last modified Jun 17, 2026

CVE-2018-13878 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.76%

50.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Rocket.Chat	Rocket.Chat	< 0.65

References

https://github.com/RocketChat/Rocket.Chat/pull/10793Issue Tracking, Third Party Advisory
https://github.com/RocketChat/Rocket.Chat/pull/10793Issue Tracking, Third Party Advisory

Timeline

Published: Jul 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-13878?

How severe is CVE-2018-13878?

Severity scoring for CVE-2018-13878 is pending analysis. The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2018-13878?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-13878?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST