Slim has Reflected XSS in the HtmlErrorRenderer

Impact If an application uses HttpException::setTitle and/or setDescription to include untrusted/request-derived data in the error title or description e.g. "No products found matching '$query'.", an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they...

CVE-2026-48157

Slim PHP framework (versions 4.4.0–4.15) is affected by an HTML/JavaScript injection in error pages when HttpException::setTitle() and/or setDescription() are fed with untrusted data. The issue can occur in HTML error pages generated by Slim and is present even with displayErrorDetails = false; v...

CVE-2026-48157 Slim has Reflected XSS in the HtmlErrorRenderer

Slim is a PHP micro framework that enables users to write simple web applications and APIs. In versions 4.4.0 through 4.15, if an application uses HttpException::setTitle and/or setDescription to include untrusted/request-derived data in the error title or description e.g. "No products found...