CVE-2026-114404PHPPresentation 1.2.0 XSS via Writer\HTML Text Runs, Hyperlinks and Descriptions

Descripción

PHPOffice PHPPresentation 1.2.0 contains a cross-site scripting vulnerability in the HTML writer that allows attackers who supply presentation content to inject script into generated HTML. Attackers can craft a PPTX with malicious text runs, hyperlink relationship targets, or shape descr attributes that are emitted unescaped, executing script in viewers' browsers.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://hackmd.io/@leediay/multiple_vulnerable_phppresentation third-party-advisory
• https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/Writer/HTML.php#L307-L330 technical-description
• https://github.com/PHPOffice/PHPPresentation product
• VulnCheck Advisory: PHPPresentation 1.2.0 XSS via Writer\HTML Text Runs, Hyperlinks and Descriptions third-party-advisory