Vulnerability identifier: #VU8581
Vulnerability risk: Low
Exploitation vector: Network
Exploit availability: No
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in the rails-html-sanitizer gem before 1.0.3 for Ruby on Rails 4.2.x and 5.x. A remote authenticated attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.
Update to version 220.127.116.11.
Vulnerable software versions
Ruby on Rails: 4.2.0 - 18.104.22.168
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?