CVE-2018-0672 Cross-site scripting in Movable Type

What is CVE-2018-0672?

CVE-2018-0672 is a medium-severity cross-site scripting vulnerability in Six Apart, Ltd. Movable Type, published on 4 Sep 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

Cross-site scripting vulnerability in Movable Type versions prior to Ver. 6.3.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2018-0672?

It affects 1 product.

Products include Sixapart Movable Type.

How do I fix CVE-2018-0672?

No fix has been published for CVE-2018-0672 yet. Limit exposure of the affected software until one is available.

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-2018-0672 being exploited?

There is no known exploitation of CVE-2018-0672 in the wild and no public exploit code.

Other vulnerabilities in Six Apart, Ltd. Movable Type

• CVE-2009-0752 Other in n/a Critical 10.0
• CVE-2022-38078 Command injection in Movable Type XMLRPC API Critical 9.8
• CVE-2021-20837 Command injection in Movable Type Critical 9.8
• CVE-2016-5742 SQL injection in n/a Critical 9.8
• CVE-2026-25776 Code injection in Movable Type Critical 9.3

Sources

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

Also known as GHSA-ww3f-5c96-827w.