CVE-2018-1000813

Backdrop CMS version 1.11.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in Sanitization of custom class names used on blocks and layouts. that can result in Execution of JavaScript from an unexpected source.. This attack appear to be exploitable via A user must be directed to an affected page while logged in.. This vulnerability appears to have been fixed in 1.11.1 and later.

• CWE-79

• https://backdropcms.org/security/backdrop-sa-core-2018-005Vendor Advisory
• https://backdropcms.org/security/backdrop-sa-core-2018-005Vendor Advisory

Published

Dec 20, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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