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ID:5869 - Exploit for Cross-site scripting in Rocket.Chat - CVE-2019-17220
ID:5869 - Exploit for Cross-site scripting in Rocket.Chat - CVE-2019-17220
Published: June 17, 2021
Vulnerability identifier: #VU22200
Vulnerability risk: Low
CVE-ID: CVE-2019-17220
CWE-ID: CWE-79
Exploitation vector: Remote access
Vulnerable software:
Rocket.Chat
Rocket.Chat
Link to public exploit:
Vulnerability description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed a URL on a ![title] line. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.