Description Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension. Remediation References CVE-2018-5478 Related Vulnerabilities WordPress Plugin Site Reviews Cross-Site Scripting (2.15.2) WordPress Plugin SP Project & Document Manager SQL Injection (2.5.3) OpenSSL Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2006-3738) Moodle Improper Input Validation Vulnerability (CVE-2018-1137) Joomla! Core 2.5.x SQL Injection (2.5.0 - 2.5.1) Severity Medium Classification CVE-2018-5478 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities