Policy bypass in Blink in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)

Inappropriate implementation in Permission Prompts in Google Chrome prior to 134.0.6998.35 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. (Chromium security severity: Low)

In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the 'My Shots' button that appeared, and direct the user to a replica Firefox Screenshots page that could be used for phishing. This vulnerability affects Firefox < 127.

An attacker could have positioned a `datalist` element to obscure the address bar. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Insufficient policy enforcement in browser UI in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Medium)

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.

Inappropriate implementation in Selection in Google Chrome on Android prior to 134.0.6998.35 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: Low)

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.

In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

Inappropriate implementation in WebShare in Google Chrome on Android prior to 116.0.5845.96 allowed a remote attacker to spoof the contents of a dialog URL via a crafted HTML page. (Chromium security severity: Medium)

A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> assignments, and <code>setInterval</code> calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

Inappropriate implementation in Permission Prompts in Google Chrome prior to 116.0.5845.96 allowed a remote attacker to obfuscate security UI via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in Picture In Picture in Google Chrome prior to 114.0.5735.90 allowed a remote attacker who had compromised the renderer process to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in Picture In Picture in Google Chrome prior to 114.0.5735.90 allowed a remote attacker who had compromised the renderer process to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in Color in Google Chrome prior to 116.0.5845.96 allowed a remote attacker to obfuscate security UI via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in SafeBrowsing in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass Safe Browsing via a malicious file. (Chromium security severity: Low)

Websites redirecting to a non-HTTP scheme URL could allow a website address to be spoofed for a malicious page. This vulnerability was fixed in Firefox for iOS 136.

The fullscreen notification could have been hidden on Firefox for Android by using download popups, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 111.

By displaying a prompt with a long description, the fullscreen notification could have been hidden, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 111.

Inappropriate implementation in PictureInPicture in Google Chrome prior to 113.0.5672.63 allowed an attacker who convinced a user to install a malicious extension to perform an origin spoof in the security UI via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in PictureInPicture in Google Chrome prior to 113.0.5672.63 allowed a remote attacker who had compromised the renderer process to obfuscate the security UI via a crafted HTML page. (Chromium security severity: Low)

Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability was fixed in Firefox for iOS 134.

Inappropriate implementation in Full Screen Mode in Google Chrome on Android prior to 113.0.5672.63 allowed a remote attacker to hide the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in Browser UI in Google Chrome on Android prior to 134.0.6998.35 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in Filesystems in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Inappropriate implementation in Internals in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to spoof the origin of an iframe via a crafted HTML page. (Chromium security severity: Low)

Different techniques existed to obscure the fullscreen notification in Firefox for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 126.

Insufficient policy enforcement in Web Payments API in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

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)

Inappropriate implementation in Permission prompts in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

Insufficient policy enforcement in Extensions API in Google Chrome prior to 111.0.5563.64 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: Medium)

The exception page for the HTTPS-Only feature, displayed when a website is opened via HTTP, lacked an anti-clickjacking delay, potentially allowing an attacker to trick a user into granting an exception and loading a webpage over HTTP. This vulnerability was fixed in Firefox 140 and Thunderbird 140.

Inappropriate implementation in WebApp Installs in Google Chrome on Android prior to 111.0.5563.64 allowed an attacker who convinced a user to install a malicious WebApp to spoof the contents of the PWA installer via a crafted HTML page. (Chromium security severity: Medium)

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)

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.

Incorrect security UI in Notifications in Google Chrome on Android prior to 103.0.5060.53 allowed a remote attacker to obscure the full screen notification via a crafted HTML page. (Chromium security severity: Low)

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

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.

Inappropriate implementation in Downloads in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass download protections via a crafted HTML page. (Chromium security severity: Low)

Insufficient policy enforcement in Autofill in Google Chrome prior to 108.0.5359.71 allowed a remote attacker to bypass autofill restrictions via a crafted HTML page. (Chromium security severity: Medium)

Insufficient policy enforcement in Popup Blocker in Google Chrome prior to 108.0.5359.71 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

Inappropriate implementation in Navigation in Google Chrome on iOS prior to 108.0.5359.71 allowed a remote attacker to spoof the contents of the modal dialogue via a crafted HTML page. (Chromium security severity: Medium)

Insufficient policy enforcement in DevTools in Google Chrome prior to 108.0.5359.71 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: Medium)

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.

Insufficient validation of untrusted input in Downloads in Google Chrome prior to 108.0.5359.71 allowed an attacker who convinced a user to install a malicious extension to bypass Downloads restrictions via a crafted HTML page. (Chromium security severity: Medium)

When loading a script with Subresource Integrity, attackers with an injection capability could trigger the reuse of previously cached entries with incorrect, different integrity metadata. This vulnerability affects Firefox < 103.

Insufficient data validation in File System API in Google Chrome prior to 106.0.5249.62 allowed a remote attacker to bypass File System restrictions via a crafted HTML page. (Chromium security severity: Low)

If upgrade-insecure-requests was specified in the Content Security Policy, and a link was dragged and dropped from that page, the link was not upgraded to https. This vulnerability affects Firefox < 70.