Masato Kinugawa discovered that Thunderbird did not properly validate the CSP policy in the Web Compatibility extension. An attacker could potentially exploit this issue to perform a cross-site scripting attack.
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"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7193-1.json"
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"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7193-1.json"
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