Cross-site scripting in Yaws - CVE-2011-5025

Detailed vulnerability description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the wiki application in Yaws 1.88 when processing (1) the tag parameter to editTag.yaws, (2) the index parameter to showOldPage.yaws, (3) the node parameter to allRefsToMe.yaws, or (4) the text parameter to editPage.yaws. A remote attacker can trick the victim to follow a 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.

How to mitigate CVE-2011-5025

Sources

• http://www.securityfocus.com/bid/51276
• https://sitewat.ch/Advisory/View/4