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.
| Software | From | Fixed in |
|---|---|---|
| python-markdown2_project / python-markdown2 | - | 2.3.8.x |
markdown2
|
- | 2.3.9 |