CVE-2017-0368 Make rawHTML mode not apply to system messages

What is CVE-2017-0368?

CVE-2017-0368 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 13 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw making rawHTML mode apply to system messages.

Weakness: CWE-20

Which versions are affected by CVE-2017-0368?

It affects 2 products.

Products include Debian Debian Linux, Mediawiki Mediawiki.

How do I fix CVE-2017-0368?

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-2017-0368 being exploited?

There is no known exploitation of CVE-2017-0368 in the wild and no public exploit code.

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-2017-0368, GHSA-rgj4-22m7-2r9j.