Threats Tagged 'cve-2026-50133'

A security update for Red Hat Hardened Images includes fixes for vulnerabilities in the Hugo static site generator, specifically CVE-2026-58402 and CVE-2026-58403. One key issue is a cross-site scripting (XSS) vulnerability caused by improper escaping of Markdown code-fence language in Hugo's default code block renderer. This flaw could allow attackers to inject malicious scripts into web pages, potentially leading to arbitrary code execution in users' browsers. The advisory references Red Hat Hardened Images RPMs version 0.163.3-0.1.hum1 as affected. No explicit patch version is stated as fixed in the advisory, and no known exploits are reported in the wild. The severity is assessed as medium.

Hugo is a static site generator. Prior to 0.162.0, Hugo accepts content files in several markup formats. Files mapped to the text/html media type (typically .html files under /content, or pages produced by a content adapter that sets content.mediaType = "text/html") had their body emitted verbatim into the rendered page. A site that ingests HTML content from an untrusted source could therefore be served stored cross-site scripting. This vulnerability is fixed in 0.162.0.