CVE-2026-63671 @nuxtjs/mdc: the URL sanitizer misses SVG xlink:href and data:text/html, allowing XSS from untrusted markdown at the default configuration

MDC is a tool to take regular Markdown and write documents interacting deeply with a Vue component. Prior to 0.22.1, @nuxtjs/mdc uses parseMarkdown with allowDangerousHtml enabled by default and relies on validateProps, validateProp, and unsafeLinkPrefix to remove executable URLs from untrusted...

CVE-2026-48760

Symfony HtmlSanitizer/UrlSanitizer::parse() had an underinclusive denial for BiDi formatting characters and Unicode whitespace, allowing percent-encoded BiDi marks to bypass the check. The issue affects UrlSanitizer::parse() behavior from Symfony 6.1.0 up to 6.4.41, 7.4.13, and 8.0.13, where raw ...

CVE-2026-45064

CVE-2026-45064 (Symfony) affects the UrlSanitizer::parse() path used by Symfony HtmlSanitizer/UrlSanitizer. From versions 6.1.0-BETA1 up to 6.4.40, 7.4.12, and 8.0.12, Unicode explicit-direction BiDi formatting characters were passed through into sanitized href/src attributes, enabling phishing-s...

PT-2026-44133

Name of the Vulnerable Software and Affected Versions Symfony versions prior to 5.4.31 Description The parse function in SymfonyComponentHtmlSanitizerTextSanitizerUrlSanitizer utilized by UrlSanitizer::sanitize and any HtmlSanitizer configuration permitting links or media fails to filter Unicode...