Rather, the network was accessed, the objects were loaded and displayed. When receiving an HTML email that contained an iframe element, which used a srcdoc attribute to define the inner HTML document, remote objects specified in the nested document, for example images or videos, were not blocked. #CVE-2022-3032: Remote content specified in an HTML document that was nested inside an iframe's srcdoc attribute was not blocked Reporter Sarah Jamie Lewis Impact moderate Description This bug doesn't affect users who have changed the default Message Body display setting to Or to a different URL, as the JavaScript code could modify the URL specified in the document. The contents could then be transmitted to the network, either to the URL specified in the META refresh tag, Original message, which could potentially contain the decrypted plaintext of encrypted data To, read and modify the contents of the message compose document, including the quoted The JavaScript code was able to perform actions including, but probably not limited It was possible to execute JavaScript code included in the message in the context of the In combination with certain other HTML elements and attributes in the email, Thunderbird started a network request to that URL, regardless of the configuration to block Having the http-equiv="refresh" attribute, and the content attribute specifying an URL, then If a Thunderbird user replied to a crafted HTML email containing a meta tag, with the meta tag #CVE-2022-3033: Leaking of sensitive information when composing a response to an HTML email with a META refresh tag Reporter Sarah Jamie Lewis Impact high Description Mozilla Foundation Security Advisory 2022-38 Security Vulnerabilities fixed in Thunderbird 102.2.1 Announced AugImpact high Products Thunderbird Fixed in
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