CVE-2018-7198 October CMS - RainLab Blog Plugin XSS

What is CVE-2018-7198?

CVE-2018-7198 is a medium-severity cross-site scripting vulnerability in Octobercms October, published on 18 Feb 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

October CMS through 1.0.431 allows XSS by entering HTML on the Add Posts page.

Weakness: CWE-79

Which versions are affected by CVE-2018-7198?

2 open source packages ship an affected version, including rainlab/blog-plugin. It affects 1 product.

Products include Octobercms October.

How do I fix CVE-2018-7198?

Upgrade rainlab/blog-plugin to 1.4.1 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-2018-7198 being exploited?

There is no known exploitation of CVE-2018-7198 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Octobercms October

• CVE-2021-32648 October CMS Improper Authentication Exploited High 8.2
• CVE-2021-3311 October CMS Session ID not invalidated after logout Critical 9.8
• CVE-2017-1000194 October CMS File Upload Vulnerability Critical 9.8
• CVE-2017-1000196 Code injection in n/a Critical 9.8
• CVE-2017-1000197 Path traversal in n/a Critical 9.8

All Octobercms October vulnerabilities

Sources

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

Also known as GHSA-96mh-7xpr-qcgw.