Mistune cross-site scripting vulnerabilities

Mistune is a fast and powerful Python Markdown parser developed by Hsiaoming Yang. Versions of Mistune prior to 3.2.1 contained a cross-site scripting vulnerability. This vulnerability stemmed from the use of Python format strings to insert id and text values into tags without proper HTML escapin...

Mistune cross-site scripting vulnerabilities

Mistune is a fast and powerful Python Markdown parser developed by Hsiaoming Yang. Versions of Mistune prior to 3.2.1 contained a cross-site scripting vulnerability. This vulnerability stemmed from the Image directive plugin using regular expressions that only matched prefixes to validate the wid...

Mistune cross-site scripting vulnerabilities

Mistune is a fast and powerful Python Markdown parser developed by Hsiaoming Yang. Versions of Mistune prior to 3.2.1 contained a cross-site scripting vulnerability. This vulnerability stemmed from HTMLRenderer.heading, which directly inserted id attribute values into HTML tags without escaping...

Mistune cross-site scripting vulnerabilities

Mistune is a fast and powerful Python Markdown parser developed by Hsiaoming Yang. Versions of Mistune prior to 3.2.1 contained a cross-site scripting vulnerability. This vulnerability stemmed from the mathematical plugin not properly escaping HTML when rendering inline and block-level mathematic...

CVE-2026-44896: Improper Neutralization of Input During Web Page Generation

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

Mistune cross-site scripting vulnerabilities

Mistune is a fast and powerful Python Markdown parser developed by Hsiaoming Yang. Versions of Mistune 3.2.0 and earlier contained a cross-site scripting vulnerability. This vulnerability stemmed from the renderfigure function in src/mistune/directives/image.py, which directly concatenated the...

CVE-2026-44898: Improper Neutralization of Input During Web Page Generation

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, rendertocul builds a table-of-contents tree from a list of level, id, text tuples. Both the id value used as href=" " and the text value used as the visible link label are inserted into tags via a plain Python format...

CVE-2026-44708: Improper Neutralization of Input During Web Page Generation

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the mistune math plugin renders inline math $...$ and block math $$...$$ by concatenating the raw user-supplied content directly into the HTML output without any HTML escaping. This occurs even when the parser is...

CVE-2026-44897: Improper Neutralization of Input During Web Page Generation

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, HTMLRenderer.heading builds the opening tag by string-concatenating the id attribute value directly into the HTML — with no call to escape, safeentity, or any other sanitisation function. A double-quote character " in...

CVE-2026-44899: Improper Neutralization of Input During Web Page Generation

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-33079

A flaw was found in Mistune, a Markdown parser. This vulnerability, known as Regular Expression Denial of Service ReDoS, exists in the LINKTITLERE regular expression. A remote attacker can exploit this by providing specially crafted Markdown input, which causes the regular expression engine to...

CVE-2026-44899 affecting package python-mistune for versions less than 3.2.1-1

CVE-2026-44899 affecting package python-mistune for versions less than 3.2.1-1. An upgraded version of the package is available that resolves this issue...

CVE-2026-44898 affecting package python-mistune for versions less than 3.2.1-1

CVE-2026-44898 affecting package python-mistune for versions less than 3.2.1-1. A patched version of the package is available...

CVE-2026-44897 affecting package python-mistune for versions less than 3.2.1-1

CVE-2026-44897 affecting package python-mistune for versions less than 3.2.1-1. A patched version of the package is available...

CVE-2026-44708 affecting package python-mistune for versions less than 3.2.1-1

CVE-2026-44708 affecting package python-mistune for versions less than 3.2.1-1. A patched version of the package is available...

CVE-2026-44896 affecting package python-mistune for versions less than 3.2.1-1

CVE-2026-44896 affecting package python-mistune for versions less than 3.2.1-1. An upgraded version of the package is available that resolves this issue...

CVE-2026-33079 affecting package python-mistune for versions less than 3.2.1-1

CVE-2026-33079 affecting package python-mistune for versions less than 3.2.1-1. An upgraded version of the package is available that resolves this issue...

ai-shell (>=0.1.0, <=1.0.4), almax-common (>=0.9.5, <=1.0.2) +137 more potentially affected by CVE-2026-44899 via mistune (>=3.0.0rc5, <=3.2.0)

mistune PYPI version =3.0.0rc5, =0.1.0, =0.9.5, =3.0.0rc3, =3.2.1b1, =1.0.1, =1.0.1, =0.1.0, =0.0.1, =0.1.0, =0.0.2, =1.0.0.1, =0.0.1, =0.1.10, =0.26.0, =0.27.0 and more Source cves: CVE-2026-44899 Source advisory: SNYK:PYTHON-MISTUNE-16697357...

fittrackee (>=1.2.0, <=1.3.0b3), mein-et-projekt (0.1.0) +2 more potentially affected by CVE-2026-44899 via mistune (3.2.0)

mistune PYPI version 3.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on mistune and may be impacted: - fittrackee =1.2.0, =2.19.0, =2.20.4 - uniovi-simur-wearablepermed-pipeline-step-counting 1.2.3 Source cves: CVE-2026-44899 Source advisory:...

fittrackee (>=1.2.0, <=1.3.0b3), mein-et-projekt (0.1.0) +2 more potentially affected by CVE-2026-44899 via mistune (3.2.0)

mistune PYPI version 3.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on mistune and may be impacted: - fittrackee =1.2.0, =2.19.0, =2.20.4 - uniovi-simur-wearablepermed-pipeline-step-counting 1.2.3 Source cves: CVE-2026-44899 Source advisory:...