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 Forget About Shortcode Buttons Cross-Site Scripting (1.1.1) WordPress Plugin Store Locator Plus for WordPress Multiple Vulnerabilities (3.0.1) phpList Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2020-35708) WordPress Plugin YOP Poll Cross-Site Scripting (6.2.7) Piwigo Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2021-32615) 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