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relnote(122): SVG use elements cannot use data URIs #31124

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Jan 12, 2024
Merged

relnote(122): SVG use elements cannot use data URIs #31124

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relnote(122): SVG use elements cannot use data URIs
bsmth Dec 18, 2023
a83d149
Update files/en-us/mozilla/firefox/releases/122/index.md
bsmth Jan 8, 2024
cd09802
Merge branch 'main' into 31111-svg-use-data-uri
bsmth Jan 9, 2024
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3 changes: 3 additions & 0 deletions files/en-us/mozilla/firefox/releases/122/index.md
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Expand Up @@ -28,6 +28,9 @@ This article provides information about the changes in Firefox 122 that affect d

#### Removals

- Removed support for `data:` URLs in SVG `<use>` elements and via the [`SVGUseElement`](/en-US/docs/Web/API/SVGUseElement) interface to prevent [XSS](/en-US/docs/Glossary/Cross-site_scripting) attacks.
This functionality is behind the preference `svg.use-element.data-url-href.allowed` which can be set to `true` to enable the legacy behavior ([Firefox bug 1806964](https://bugzil.la/1806964)).
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### HTTP

#### Removals
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