bleach Archives - CVE Vulnerability

CVE-2018-7753

Sun, 26 Feb 2023 06:51:09 +0000

An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren’t properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.

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CVE-2020-6816

Sun, 26 Feb 2023 06:42:52 +0000

In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.

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CVE-2020-6817

Sun, 26 Feb 2023 06:42:52 +0000

bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(…, attributes={‘a’: [‘style’]}).

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CVE-2020-6802

Sun, 26 Feb 2023 06:42:51 +0000

In Mozilla Bleach before 3.11, a mutation XSS affects users calling bleach.clean with noscript and a raw tag in the allowed/whitelisted tags option.

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CVE-2021-23980

Thu, 23 Feb 2023 14:07:39 +0000

A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to […]

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