CVE-2020-15171 – Users with SCRIPT rights can execute arbitrary code in XWiki

https://notcve.org/view.php?id=CVE-2020-15171

10 Sep 2020 — In XWiki before versions 11.10.5 or 12.2.1, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. The only workaround is to give SCRIPT right only to trusted users. En XWiki versiones anteriores a 11.10.5 o 12.2.1, cualquier usuario con derecho de SCRIPT (derecho EDIT anterior a XWiki 7.4), puede obtener acceso al conte... • https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-7qw5-pqhc-xm4g • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') CWE-94: Improper Control of Generation of Code ('Code Injection') •