CVE-2016-9119 MoinMoin Cross-site Scripting (XSS) vulnerability

What is CVE-2016-9119?

CVE-2016-9119 is a medium-severity cross-site scripting vulnerability in Canonical Ubuntu Linux, published on 30 Jan 2017. 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

Cross-site scripting (XSS) vulnerability in the link dialogue in GUI editor in MoinMoin before 1.9.8 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2016-9119?

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

Products include Canonical Ubuntu Linux, Debian Debian Linux, Moinmo Moinmoin.

How do I fix CVE-2016-9119?

Upgrade moin to 1.9.8 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-2016-9119 being exploited?

There is no known exploitation of CVE-2016-9119 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as GHSA-5fq5-pfv8-mrfv, PYSEC-2017-20, UBUNTU-CVE-2016-9119.