Vendor
fedora-python
4 known vulnerabilities.
Products
4 results · Feed
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High 8.2
lxml: javascript: URL bypass in Cleaner via xlink:href
lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in embedded SVG/MathML/etc. content. This vulnerabilit…
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Medium 6.1
lxml_html_clean: <base> tag injection through default Cleaner configuration
lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.4, the <base> tag passes through the default Cleaner configuration. While page_structure=True removes html, head, and title tags, there is no sp…
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Medium 6.1
lxml_html_clean: CSS @import Filter Bypass via Unicode Escapes
lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.4, the _has_sneaky_javascript() method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences t…
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High 7.7
HTML Cleaner allows crafted scripts in special contexts like svg or math to pass through
lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.0, the HTML Parser in lxml does not properly handle context-switching for special HTML tags such as `<svg>`, `<math>` and `<noscript>`. This beh…