Cross-site scripting in Velocity Tools - CVE-2020-13959

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Main Vulnerability Database Vulnerabilities #VU55313

Cross-site scripting in Velocity Tools - CVE-2020-13959

Published: July 26, 2021


Vulnerability identifier: #VU55313
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-2020-13959
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 insufficient sanitization of user-supplied data in the default error page for VelocityView. 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

Velocity Tools
Gentoo Linux
Ubuntu
openEuler
libvelocity-tools-java (Ubuntu package)
velocity-tools
velocity-tools-javadoc

How to mitigate CVE-2020-13959

Install updates from vendor's website.

Velocity Tools - update to 3.1
libvelocity-tools-java (Ubuntu package) - addressed in versions Ubuntu Pro, 2.0-7ubuntu0.20.04.1
velocity-tools - update to 2.0-2
velocity-tools-javadoc - update to 2.0-2

External References

Related Security Bulletins