Description Limesurvey before 3.17.10 does not validate both the MIME type and file extension of an image. Remediation References CVE-2019-15640 Related Vulnerabilities concrete5 Improper Input Validation Vulnerability (CVE-2017-18195) Joomla Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-8421) ownCloud Other Vulnerability (CVE-2012-5057) SharePoint Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2026-55021) WordPress 4.8.x Cross-Domain Flash Injection Vulnerability (4.8 - 4.8.4) Severity High Classification CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Tags Missing Update Known Vulnerabilities CWE-20 CVE-2019-15640