CVE-2019-17220 : Rocket.Chat before 2.1.0 allows XSS via a URL on a ![title] line.

Rocket.Chat before 2.1.0 allows XSS via a URL on a ![title] line.

Published 2019-10-21 21:15:11

Updated 2019-10-23 20:15:14

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2019-17220

Rocket.chat » Rocket.chat
Versions before (<) 2.1.0
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.13%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 49 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

https://www.nezami.me/

IT Security Researcher
Exploit;Third Party Advisory
https://github.com/RocketChat/Rocket.Chat/commits/develop

Commits · RocketChat/Rocket.Chat · GitHub
Patch;Third Party Advisory

CVEs referencing this url
https://github.com/RocketChat/Rocket.Chat/releases

Releases · RocketChat/Rocket.Chat · GitHub
Release Notes;Third Party Advisory
http://packetstormsecurity.com/files/154944/Rocket.Chat-2.1.0-Cross-Site-Scripting.html

Rocket.Chat 2.1.0 Cross Site Scripting ≈ Packet Storm

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