CVE-2017-17092 Cross-site scripting in n/a

What is CVE-2017-17092?

CVE-2017-17092 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 2 Dec 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.

Weakness: CWE-79

Which versions are affected by CVE-2017-17092?

It affects 2 products.

Products include Debian Debian Linux, Wordpress Wordpress.

How do I fix CVE-2017-17092?

Upgrade to a fixed version.

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-2017-17092 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-17092 exists.

Public exploit code: 1 Nuclei template.

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-2017-17092, GHSA-256m-wxxh-gf6h, UBUNTU-CVE-2017-17092.