272 matches found
Loofah: SVG `href` attribute bypasses local-reference restriction
Summary Loofah's HTML5 sanitizer restricted only the xlink:href attribute on certain SVG elements to local, same-document references. Browsers also accept a plain href attribute as an alternative to the deprecated xlink:href per the SVG 2 spec, but Loofah did not apply the same restriction to it,...
GHSA-8WHX-365G-H9VV Loofah `allowed_uri?` does not detect `javascript:` URIs split by named whitespace character references
Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split or prefixed by the HTML5 named character references tab or line feed. This is a bypass of the fix for GHSA-46fp-8f5p-pf2m, which handled the equivalent numeric character references , , but...
Cross-site Scripting (XSS)
Overview loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the SVG sanitizer's handling of the href attribute, which restricts xlink:href on SVG...
Cross-site Scripting (XSS)
Overview loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Loofah::HTML5::Scrub.alloweduri? method, which relies on CGI.unescapeHTML and...
Cross-site Scripting (XSS)
Overview loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Loofah::HTML5::Scrub.alloweduri? method, which uses CGI.unescapeHTML and therefore...
Loofah `allowed_uri?` does not detect `javascript:` URIs split by named whitespace character references
Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split or prefixed by the HTML5 named character references tab or line feed. This is a bypass of the fix for GHSA-46fp-8f5p-pf2m, which handled the equivalent numeric character references , , but...
SVG `href` attribute bypasses local-reference restriction in Loofah
Summary Loofah's HTML5 sanitizer restricted only the xlink:href attribute on certain SVG elements to local, same-document references. Browsers also accept a plain href attribute as an alternative to the deprecated xlink:href per the SVG 2 spec, but Loofah did not apply the same restriction to it,...
Astra Linux – Vulnerability in ruby-loofah
Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah = 2.1.0; versions less than 2.19.1 are vulnerable to cross-site scripting due to the image/svg+xml media type in data URIs. This issue has been fixed in version 2.19.1...
Astra Linux – Vulnerability in ruby-rails-html-sanitizer
Rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions starting from 1.0.3 and before 1.4.4 are vulnerable to cross-site scripting through data URIs when used in conjunction with Loofah version 2.1.0 or higher. This issue has been fixed in version 1.4.4...
Astra Linux – Vulnerability in ruby-loofah
Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built upon Nokogiri. Loofah 2.19.1 contains a inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial ...
Astra Linux – Vulnerability in ruby-loofah
Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah = 2.2.0; versions before 2.19.1 use recursion to sanitize CDATA sections. This can lead to stack exhaustion and raise a SystemStackError exception, potentially causing ...
Loofah has improper detection of disallowed URIs via `allowed_uri?`
Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split by HTML entity-encoded control characters such as carriage return, line feed, or tab. Details The alloweduri? method strips literal control characters before decoding HTML entities. Payloa...
GHSA-2J22-PR5W-6GQ8 Loofah has improper detection of disallowed URIs via `allowed_uri?`
Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split by HTML entity-encoded control characters such as carriage return, line feed, or tab. Details The alloweduri? method strips literal control characters before decoding HTML entities. Payloa...
GHSA-46FP-8F5P-PF2M Improper detection of disallowed URIs by Loofah `allowed_uri?`
Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split by HTML entity-encoded control characters such as carriage return, line feed, or tab. Details The alloweduri? method strips literal control characters before decoding HTML entities. Payloa...
Cross-site Scripting (XSS)
Overview loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Loofah::HTML5::Scrub.alloweduri? function. An attacker can inject malicious script...
Improper detection of disallowed URIs by Loofah `allowed_uri?`
Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split by HTML entity-encoded control characters such as carriage return, line feed, or tab. Details The alloweduri? method strips literal control characters before decoding HTML entities. Payloa...
ruby4.0-rubygem-loofah-2.23.1-1.5 on GA media (moderate)
ruby4.0-rubygem-loofah-2.23.1-1.5 on GA media Announcement ID: openSUSE-SU-2026:10353-1 Rating: moderate Cross-References: CVE-2018-16468 CVE-2018-8048 CVE-2019-15587 CVE-2022-23514 CVE-2022-23515 CVE-2022-23516 CVSS scores: CVE-2018-16468 SUSE : 6.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L...
OPENSUSE-SU-2026:10353-1 ruby4.0-rubygem-loofah-2.23.1-1.5 on GA media
These are all security issues fixed in the ruby4.0-rubygem-loofah-2.23.1-1.5 package on the GA media of openSUSE Tumbleweed...
GHSA-VFPF-XMWH-8M65 Duplicate Advisory: ProsemirrorToHtml has a Cross-Site Scripting (XSS) vulnerability through unescaped HTML attribute values
Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-52c5-vh7f-26fx. This link is maintained to preserve external references. Original Description Impact The prosemirrortohtml gem is vulnerable to Cross-Site Scripting XSS attacks through malicious HTML attribute...
