CVE-2017-1000431 eZ Publish Cross-site Scripting (XSS) vulnerability

What is CVE-2017-1000431?

CVE-2017-1000431 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Jan 2018. 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

eZ Systems eZ Publish version 5.4.0 to 5.4.9, and 5.3.12 and older, is vulnerable to an XSS issue in the search module, resulting in a risk of attackers injecting scripts which may e.g. steal authentication credentials.

Weakness: CWE-79

Which versions are affected by CVE-2017-1000431?

4 open source packages ship an affected version, including ezsystems/ezpublish-legacy. It affects 1 product.

Products include Ez Ez Publish.

How do I fix CVE-2017-1000431?

Upgrade ezsystems/ezpublish-legacy to a fixed version for your release line: 5.3.12.1 or 5.4.10.

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-2017-1000431 being exploited?

There is no known exploitation of CVE-2017-1000431 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2007-4493 Missing authorization in n/a Critical 10.0
• CVE-2005-4853 Missing authorization in n/a Critical 9.4
• CVE-2012-1565 Missing authorization in n/a High 7.5
• CVE-2010-2672 SQL injection in n/a High 7.5
• CVE-2008-6844 Privilege escalation in n/a High 7.5

Sources

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

Also known as GHSA-m98q-p5gq-q5ff.