CVE-2020-11888: 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…

PriorityP425medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

1.88%

77.4th percentile

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	python-markdown2	< python-markdown2 2.3.9-1 (bookworm)	python-markdown2 2.3.9-1 (bookworm)
python-markdown2_project	python-markdown2	<= 2.3.8	—
python-markdown2_project	python-markdown2	>= 0 < 2.3.9-1	2.3.9-1
python-markdown2_project	python-markdown2	>= 0 < 2.3.9-1	2.3.9-1
python-markdown2_project	python-markdown2	>= 0 < 2.3.9-1	2.3.9-1
python-markdown2_project	python-markdown2	>= 0 < 2.3.9-1	2.3.9-1

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

osv6.1MEDIUM

vendor_debian6.1MEDIUM

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