Description TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data. Remediation References CVE-2019-12747 Related Vulnerabilities Plone CMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-1000482) PHP Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2007-1581) MySQL CVE-2020-2923 Vulnerability (CVE-2020-2923) WordPress Plugin Ad Inserter-Ad Manager & AdSense Ads Cross-Site Scripting (1.5.5) Oracle JRE CVE-2011-3546 Vulnerability (CVE-2011-3546) Severity Critical Classification CVE-2019-12747 CWE-502 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities