CVE-2018-5478

Description

Contao 3.x before 3.5.32 allows Cross-site Scripting (XSS) via the unsubscribe module in the frontend newsletter extension.

How to fix CVE-2018-5478

To remediate CVE-2018-5478, upgrade the affected package to a fixed version below.

• Packagist/contao/core—upgrade to 3.5.32 or later

Is CVE-2018-5478 being exploited?

Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• >= 3.0.0, < 3.5.32

CVSS scores

References (6)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2018-5478
• PATCHgithub.com/contao/core
• WEBcontao.org/en/news/contao-3_5_32.html
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/contao/core/CVE-2018-5478.yaml