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MEDIUM · 5.4

CVE-2018-13879

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 char...

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
Rocket.ChatRocket.Chat< 0.66

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2018-13879?

CVE-2018-13879 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 char...

How severe is CVE-2018-13879?

CVE-2018-13879 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-13879?

Check the references section above for vendor advisories and patch information. Affected products include: Rocket.Chat Rocket.Chat.