XSS in Python-Markdown2 Project
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 elementname- with an onclick attribute.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Python-markdown2_project Python-markdown2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-11888?
- CVE-2020-11888 is a medium-severity vulnerability in Python-Markdown2 Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-04-20.
- How severe is CVE-2020-11888?
- Medium severity. CVSS v3 base score is 6.1 out of 10.