CVE-2017-16356: Reflected XSS in Kubik-Rubik SIGE (aka Simple Image Gallery Extended) before 3.3.0 allows attackers to exec...

Security readout for executives and security teams

CVE-2017-16356 is a reflected cross-site scripting issue in Kubik-Rubik SIGE, also called Simple Image Gallery Extended, before 3.3.0. A victim who opens a specially crafted gallery print link could have JavaScript run in their browser. Business impact depends on whether vulnerable Joomla sites are still public and trusted by users. Exposure is most likely on older Joomla sites that installed Kubik-Rubik SIGE before version 3.3.0 and still expose the plugin print endpoint publicly. The provided affected-product metadata is incomplete, so inventory confirmation is required. Treat this as a targeted web exposure cleanup item, not a confirmed emergency. Prioritize public Joomla sites, especially those handling authenticated users, administrators, or customer traffic. Mitigation focus: Inventory Joomla sites for Kubik-Rubik SIGE installations.; Upgrade SIGE to 3.3.0 or later where vendor guidance supports it.; Disable or remove SIGE where it is not required..

Prepared

Jun 7, 2026, 14:40 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.