Vulnerability	Vulnerable Version
M Origin Validation Error locize is a This package adds the incontext editor to your i18next setup. Affected versions of this package are vulnerable to Origin Validation Error in the `window.addEventListener` `message` handler due to missing validation of the `event.origin` property. An attacker can execute arbitrary JavaScript, inject malicious CSS, or hijack internal handler processes by sending crafted `postMessage` events from a malicious origin. This is only exploitable if the attacker-controlled page shares a window reference with the target, such as through an iframe, window.opener, or parent frame relationship. How to fix Origin Validation Error? Upgrade `locize` to version 4.0.21 or higher.	<4.0.21

Origin Validation Error

locize is a This package adds the incontext editor to your i18next setup.

Affected versions of this package are vulnerable to Origin Validation Error in the window.addEventListener message handler due to missing validation of the event.origin property. An attacker can execute arbitrary JavaScript, inject malicious CSS, or hijack internal handler processes by sending crafted postMessage events from a malicious origin. This is only exploitable if the attacker-controlled page shares a window reference with the target, such as through an iframe, window.opener, or parent frame relationship.

How to fix Origin Validation Error?

Upgrade locize to version 4.0.21 or higher.

<4.0.21

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