cve/2020/CVE-2020-11888.md

### [CVE-2020-11888](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11888)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### 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.

### POC

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

#### Github
No PoCs found on GitHub currently.