Cross-site scripting (XSS) vulnerability in the PHP League CommonMark library versions 0.15.6 through 0.18.x before 0.18.1 allows remote attackers to insert unsafe URLs into HTML (even if allow_unsafe_links is false) via a newline character (e.g., writing javascript as javascri%0apt).
| Software | From | Fixed in |
|---|---|---|
| thephpleague / commonmark | 0.15.6 | 0.18.0.x |
league / commonmark
|
0.15.6 | 0.18.1 |