CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, при специфични условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. From 2.25.0 until 2.25.2, Loofah::HTML5::Scrub.allowed_uri? does not reject javascript: URIs whose scheme is split or prefixed with the HTML5 named whitespace character references 	 or 
. CGI.unescapeHTML leaves those references intact, so allowed_uri? reports the URL safe even though a browser decodes and strips the tab or line feed and executes the resulting javascript: URL. This issue affects only callers that pass HTML-encoded strings directly to allowed_uri?; Loofah's default sanitize() path is not affected. This issue is fixed in version 2.25.2.
Засегнати продукти
- flavorjones loofah: >= 2.25.0, < 2.25.2
Вид слабост
История
- 12 август 2026 Публикувано
Други уязвимости в flavorjones loofah
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-73491
- https://nvd.nist.gov/vuln/detail/CVE-2026-73491
- https://github.com/flavorjones/loofah/security/advisories/GHSA-8whx-365g-h9vv
- https://github.com/flavorjones/loofah/pull/308
- https://github.com/flavorjones/loofah/commit/5e91af861e3cdab47b91dd0b81f3afdfd13a5e19
- https://github.com/flavorjones/loofah/releases/tag/v2.25.2