Cross-site scripting in Rocket.Chat



Published: 2017-07-17 | Updated: 2020-08-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-1000054
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Rocket.Chat
Web applications / Forum & blogging software

Vendor Rocket.Chat Technologies Corp.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU38701

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-1000054

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Rocket.Chat version 0.8.0 and newer is vulnerable to XSS in the markdown link parsing code for messages.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Rocket.Chat: 0.8.0 - 0.57.2

External links

http://www.theblazehen.com/posts/CVE-2017-xxxxxx-rocketchat-xss-with-markdown-url-handling-in-messages/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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