CVE-2024-27285 YARD's default template vulnerable to Cross-site Scripting in generated frames.html

What is CVE-2024-27285?

CVE-2024-27285 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 28 Feb 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

YARD is a Ruby Documentation tool. 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. This vulnerability is fixed in 0.9.36.

Weakness: CWE-79

Which versions are affected by CVE-2024-27285?

2 open source packages ship an affected version, including yard. It affects 3 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Yardoc Yard.

How do I fix CVE-2024-27285?

Upgrade yard to 0.9.36 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-27285 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-27285 exists.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-27285, DSA-5635-1, GHSA-8mq4-9jjh-9xrc, OESA-2024-1256, UBUNTU-CVE-2024-27285.