It was discovered that YARD before 0.9.11 does not block relative paths
with an initial ../ sequence, which allows attackers to conduct
directory traversal attacks and read arbitrary files. This issue only
affected Ubuntu 16.04 LTS. (CVE-2017-17042)
It was discovered that yard before 0.9.20 is affected by a path
traversal vulnerability, allowing HTTP requests to access arbitrary
files under certain conditions. This issue only affected Ubuntu 18.04
LTS. (CVE-2019-1020001)
Aviv Keller discovered that the “frames.html” file within the Yard
Doc’s generated documentation is vulnerable to Cross-Site Scripting
(XSS) attacks due to inadequate sanitization of user input within the
JavaScript segment of the “frames.erb” template file. (CVE-2024-27285)
