| Package | Affected versions | Patched versions |
|---|---|---|
| league/commonmark | ≥ 0.15.6, < 0.18.1 | 0.18.1 |
| commonmark | ≥ 0.15.6, ≤ 0.18.0 |
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).
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