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CVE-2021-23974 The DOMParser API did not properly process '<noscript>' elements for escaping
Description
The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 86 | earliest → < 86 | 86 |
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