Cross-site scripting in Loofah - CVE-2018-16468
Published: November 2, 2018 / Updated: November 5, 2018
Vulnerability identifier: #VU15710
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2018-16468
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to unsanitized JavaScript that is included in sanitized output. 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.
Affected software
Loofah
ruby-loofah (Debian package)
rubygem-loofah
Opensuse
Fedora
ruby-loofah (Debian package)
rubygem-loofah
Opensuse
Fedora
How to mitigate CVE-2018-16468
Update to version 2.2.3.
Loofah - update to 2.2.3
ruby-loofah (Debian package) - update to 2.0.3-2+deb9u2
rubygem-loofah - addressed in versions 2.0.3-6.fc27, 2.0.3-6.fc28, 2.2.3-1.fc29
ruby-loofah (Debian package) - update to 2.0.3-2+deb9u2
rubygem-loofah - addressed in versions 2.0.3-6.fc27, 2.0.3-6.fc28, 2.2.3-1.fc29