Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWZ2M2gtOHg1ai1wdmdx

XSS in python-markdown2

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.

Permalink: https://github.com/advisories/GHSA-fv3h-8x5j-pvgq
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWZ2M2gtOHg1ai1wdmdx
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 4 years ago
Updated: about 2 months ago

CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Identifiers: GHSA-fv3h-8x5j-pvgq, CVE-2020-11888
References:

• https://nvd.nist.gov/vuln/detail/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://github.com/pypa/advisory-database/tree/main/vulns/markdown2/PYSEC-2020-65.yaml
• https://lists.fedoraproject.org/archives/list/[email protected]/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J
• https://lists.fedoraproject.org/archives/list/[email protected]/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV
• https://lists.fedoraproject.org/archives/list/[email protected]/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED
• https://github.com/advisories/GHSA-fv3h-8x5j-pvgq

Repository: https://github.com/trentm/python-markdown2
Blast Radius: 22.0

Affected Packages