#VU8581 Cross-site scripting in Ruby on Rails - CVE-2015-7578
Published: January 26, 2016 / Updated: September 22, 2017
Vulnerability identifier: #VU8581
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-7578
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ruby on Rails
Ruby on Rails
Software vendor:
Rails
Rails
Description
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.
Remediation
Update to version 4.2.5.1.