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Upgrade jQuery to 3.4 #1581

Cerebus opened this issue Jun 7, 2019 · 1 comment


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commented Jun 7, 2019

jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable proto property, it could extend the native Object.prototype.


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commented Jun 7, 2019

jQuery as used in Werkzeug is not vulnerable to this. You're welcome to open a PR to upgrade the bundled version though.

@davidism davidism closed this Jun 7, 2019

Cerebus pushed a commit to Cerebus/werkzeug that referenced this issue Jun 8, 2019

@davidism davidism added this to the 0.15.5 milestone Jul 12, 2019

davidism added a commit that referenced this issue Jul 12, 2019

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