CVE-2020-11888

Advisory

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Affected package

Affected versions

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Fixed versions

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Vulnerability changelog

python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.


MISC:https://github.com/trentm/python-markdown2/issues/348: https://github.com/trentm/python-markdown2/issues/348

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11888
• https://github.com/trentm/python-markdown2/issues/348
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00031.html
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00035.html
• https://lists.fedoraproject.org/archives/list/[email protected]/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J/