#VU22883 Stored cross-site scripting in Redmine - CVE-2019-17427
Published: November 21, 2019
Vulnerability identifier: #VU22883
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2019-17427
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Redmine
Redmine
Software vendor:
Ruby
Ruby
Description
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of textile formatting errors. A remote attacker can send a specially crafted request to store XSS payload on the website and execute arbitrary HTML and script code in user's browser in context of vulnerable website, when the affected web page is visited by the victim.
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.