By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Inappropriate implementation in Interstitials in Google Chrome prior to 117.0.5938.62 allowed a remote attacker to obfuscate security UI via a crafted HTML page. (Chromium security severity: Low)

Inappropriate implementation in Cast UI in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to spoof browser UI via a crafted HTML page. (Chromium security severity: Low)

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Insufficient policy enforcement in contacts picker in Google Chrome on Android prior to 96.0.4664.45 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

A website could have obscured the fullscreen notification by using a dropdown select input element. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

Inappropriate implementation in Compositing in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Address bar search suggestions in private browsing mode were re-using session data from normal mode. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.

If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.

Incorrect security UI in Navigation in Google Chrome on Android prior to 92.0.4515.131 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Insufficient policy enforcement in cookies in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass cookie policy via a crafted HTML page.

When network partitioning was enabled, e.g. as a result of Enhanced Tracking Protection settings, a TLS error page would allow the user to override an error on a domain which had specified HTTP Strict Transport Security (which implies that the error should not be override-able.) This issue did not affect the network connections, and they were correctly upgraded to HTTPS automatically. This vulnerability affects Firefox < 90.

Insufficient validation of untrusted input in Sharing in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to bypass navigation restrictions via a crafted click-to-call link.

Insufficient policy enforcement in Content Security Policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.

An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

Inappropriate implementation in Blink in Google Chrome prior to 131.0.6778.69 allowed a remote attacker who convinced a user to engage in specific UI gestures to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

When sharing geolocation during an active WebRTC share, Firefox could have reset the webRTC sharing state in the user interface, leading to loss of control over the currently granted permission. This vulnerability affects Firefox < 85.

The incorrect domain may have been displayed in the address bar during an interrupted navigation attempt. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 133 and Thunderbird < 133.

Inappropriate implementation in FileSystem in Google Chrome prior to 131.0.6778.69 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. (Chromium security severity: Low)

Inappropriate implementation in Autofill in Google Chrome prior to 131.0.6778.69 allowed a remote attacker who convinced a user to engage in specific UI gestures to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

Insufficient policy enforcement in payments in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Insufficient policy enforcement in extensions in Google Chrome prior to 90.0.4430.93 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.

Inappropriate implementation in Prompts in Google Chrome prior to 113.0.5672.63 allowed a remote attacker to spoof the contents of the security UI via a crafted HTML page. (Chromium security severity: Low)

Insufficient policy enforcement in full screen in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to spoof security UI via a crafted HTML page.

Insufficient policy enforcement in notifications in Google Chrome prior to 74.0.3729.108 allowed a remote attacker to bypass notification restrictions via a crafted HTML page.

Incorrect security UI in PWAs in Google Chrome prior to 84.0.4147.89 allowed a remote attacker who had persuaded the user to install a PWA to spoof the contents of the Omnibox (URL bar) via a crafted PWA.

Inappropriate implementation in WebView in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to spoof security UI via a crafted application.

Insufficient policy enforcement in extensions in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Insufficient policy enforcement in omnibox in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to bypass security UI via a crafted HTML page.

Insufficient policy enforcement in CSP in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to bypass content security policy via a crafted HTML page.

UI spoofing in Blink in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to spoof security UI via a crafted HTML page.

Insufficient policy enforcement in Navigation in Google Chrome on iOS prior to 111.0.5563.64 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

Insufficient policy enforcement in extensions in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to disable extensions via a crafted HTML page.

Insufficient validation of untrusted input in navigation in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

IDN spoofing in Omnibox in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

Incorrect security UI in interstitials in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to perform domain spoofing via a crafted HTML page.

Inappropriate implementation in navigation in Google Chrome on iOS prior to 78.0.3904.70 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Insufficient policy enforcement in navigation in Google Chrome prior to 78.0.3904.70 allowed a remote attacker to bypass content security policy via a crafted HTML page.

Incorrect security UI in Omnibox in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

UI spoofing in Chromium in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to spoof notifications via a crafted HTML page.

Incorrect implementation in navigation in Google Chrome prior to 78.0.3904.70 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Insufficient policy enforcement in extensions in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Insufficient validation of untrusted input in Omnibox in Google Chrome prior to 78.0.3904.70 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Insufficient data validation in Omnibox in Google Chrome prior to 78.0.3904.70 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

Insufficient policy enforcement in navigation in Google Chrome on Android prior to 79.0.3945.79 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Incorrect security UI in full screen mode in Google Chrome prior to 78.0.3904.70 allowed a remote attacker to hide security UI via a crafted HTML page.

Insufficient data validation in downloads in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to bypass download restrictions via a crafted HTML page.

Incorrect security UI in full screen mode in Google Chrome prior to 78.0.3904.70 allowed a remote attacker to hide security UI via a crafted HTML page.