CVE-2020-11888
MEDIUMCVSS 6.1/10EPSS 1.87%
Last modified
CVE-2020-11888 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 1.87% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Python-Markdown2 Project | Python-Markdown2 | <= 2.3.8 |
References
- https://github.com/trentm/python-markdown2/issues/348Exploit, Third Party Advisory
- https://github.com/trentm/python-markdown2/issues/348Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-11888?
CVE-2020-11888 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11888?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-11888?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST