Description Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only available to the Manager role. Remediation References CVE-2020-28734 Related Vulnerabilities Dolibarr Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-19799) Apache HTTP Server Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2000-1205) WordPress Plugin Appointment Booking Calendar and Online Scheduling-BookingPress Arbitrary File Creation (1.1.5) Plone CMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2011-1948) WordPress Plugin UpdraftPlus WordPress Backup Security Bypass (1.22.1) Severity High Classification CVE-2020-28734 CWE-611 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities