This security bulletin contains one low risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed to "Rails::Html::SanitizerThere". A remote attacker can bypass implemented filters 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.Mitigation
Install update from vendor's website.Vulnerable software versions
rails-html-sanitizer: 1.0.0 - 1.4.2
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?