Description phpList before 3.5.3 allows XSS, with resultant privilege elevation, via lists/admin/template.php. Remediation References CVE-2020-12639 Related Vulnerabilities Mailman Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2010-3089) WordPress Plugin StageShow Multiple Vulnerabilities (5.0.8) WordPress Plugin Contact Form 7 Cross-Site Scripting (4.0.1) MySQL CVE-2021-2356 Vulnerability (CVE-2021-2356) ownCloud Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2013-1942) Severity Medium Classification CVE-2020-12639 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