Input validation

An improper implementation of the new iframe sandbox keyword allow-top-navigation-by-user-activation could lead to script execution without allow-scripts being present. This vulnerability affects Thunderbird 91.9, Firefox ESR 91.9, and Firefox 100...

Spoofing

When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

Code injection

An iframe that was not permitted to run scripts could do so if the user clicked on a javascript: link. This vulnerability affects Firefox 102, Firefox ESR 91.11, Thunderbird 102, and Thunderbird 91.11...

Design/Logic Flaw

Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate. This vulnerability affects Firefox 102...

Cross site scripting

A cross-origin iframe referencing an XSLT document would inherit the parent domain's permissions such as microphone or camera access. This vulnerability affects Thunderbird 102.2, Thunderbird 91.13, Firefox ESR 91.13, Firefox ESR 102.2, and Firefox 104...

Spoofing

Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

Hardcoded credentials

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. Rather, the network was accessed, the objects were loaded and displayed...

Code injection

If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox. This vulnerability affects Firefox 98, Firefox ESR 91.7, and Thunderbird 91....

Cross site request forgery (csrf)

When receiving an HTML email that specified to load an iframe element from a remote location, a request to the remote document was sent. However, Thunderbird didn't display the document. This vulnerability affects Thunderbird 102.2.1 and Thunderbird 91.13.1...

CVE-2022-45420

CVE-2022-45420 describes a phishing/spoofing risk where iframe content could be rendered outside the iframe boundaries in Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox

CVE-2022-40959

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and Firefox 105...

CVE-2022-45420

Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

CVE-2022-34474

Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate. This vulnerability affects Firefox 102...

CVE-2022-28286

Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to user confusion or spoofing attacks. This vulnerability affects Thunderbird 91.8, Firefox 99, and Firefox ESR 91.8...

CVE-2022-3034

When receiving an HTML email that specified to load an iframe element from a remote location, a request to the remote document was sent. However, Thunderbird didn't display the document. This vulnerability affects Thunderbird 102.2.1 and Thunderbird 91.13.1...

CVE-2022-3032

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. Rather, the network was accessed, the objects were loaded and displayed...

CVE-2022-22743

When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode. This vulnerability affects Firefox ESR 91.5, Firefox 96, and Thunderbird 91.5...

CVE-2022-34468

An iframe that was not permitted to run scripts could do so if the user clicked on a javascript: link. This vulnerability affects Firefox 102, Firefox ESR 91.11, Thunderbird 102, and Thunderbird 91.11...

CVE-2022-29911

An improper implementation of the new iframe sandbox keyword allow-top-navigation-by-user-activation could lead to script execution without allow-scripts being present. This vulnerability affects Thunderbird 91.9, Firefox ESR 91.9, and Firefox 100...

CVE-2022-38473

A cross-origin iframe referencing an XSLT document would inherit the parent domain's permissions such as microphone or camera access. This vulnerability affects Thunderbird 102.2, Thunderbird 91.13, Firefox ESR 91.13, Firefox ESR 102.2, and Firefox 104...