CVE-2026-52774 Reflected XSS via Unescaped `id` Parameter in Bazar Widget HTML Attributes in YesWiki

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using striptags only. Because striptags does not escape double quotes, an attacker can break out of the attribute value, inject an event handler such ...