| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| next.js | ≥ 13.0.0, < 15.5.16≥ 16.0.0, < 16.2.5 | 15.5.1616.2.5 |
| next | ≥ 13.0.0, < 15.5.16≥ 16.0.0, < 16.2.5 | 15.5.1616.2.5 |
Applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, serialized script content was not escaped safely before being embedded into the document, which could allow attacker-controlled input to break out of the intended script context and execute arbitrary JavaScript in a visitor's browser.
We now HTML-escape serialized beforeInteractive script content before embedding it into the page, preventing attacker-controlled content from breaking out of the inline script boundary.
If you cannot upgrade immediately, do not pass untrusted data into beforeInteractive scripts. If that pattern is unavoidable, sanitize or escape the content before embedding it.
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