When a URL was provided in a link querystring parameter, Firefox for Android would follow that URL instead of the correct URL, potentially leading to phishing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140.

Blink in Google Chrome prior to 57.0.2987.98 for Mac, Windows, and Linux and 57.0.2987.108 for Android failed to correctly propagate CSP restrictions to local scheme pages, which allowed a remote attacker to bypass content security policy via a crafted HTML page, related to the unsafe-inline keyword.

Inappropriate implementation in Blink in Google Chrome prior to 59.0.3071.86 for Mac, Windows, and Linux, and 59.0.3071.92 for Android, allowed a remote attacker to display UI on a non attacker controlled tab via a crafted HTML page.

Inappropriate implementation of unload handler handling in permission prompts in Google Chrome prior to 60.0.3112.78 for Linux, Windows, and Mac allowed a remote attacker to display UI on a non attacker controlled tab via a crafted HTML page.

Blink in Google Chrome prior to 61.0.3163.79 for Mac, Windows, and Linux, and 61.0.3163.81 for Android, failed to correctly propagate CSP restrictions to javascript scheme pages, which allowed a remote attacker to bypass content security policy via a crafted HTML page.

Inappropriate implementation in Blink in Google Chrome prior to 59.0.3071.86 for Mac, Windows, and Linux, and 59.0.3071.92 for Android, allowed a remote attacker to display UI on a non attacker controlled tab via a crafted HTML page.

It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

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.

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.

Incorrect security UI in popup blocker in Google Chrome on iOS prior to 75.0.3770.80 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

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

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 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)

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.

This issue was addressed with additional entitlement checks. This issue is fixed in visionOS 1.1, iOS 17.4 and iPadOS 17.4, iOS 16.7.6 and iPadOS 16.7.6. An app may be able to spoof system notifications and UI.

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.

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.

Insufficient policy enforcement in QR scanning in Google Chrome on iOS prior to 89.0.4389.72 allowed an attacker who convinced the user to scan a QR code to bypass navigation restrictions via a crafted QR code.

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.

A compromised content process could have updated the document URI. This could have allowed an attacker to set an arbitrary URI in the address bar or history. This vulnerability affects Firefox < 122.

The issue was addressed with improved UI handling. This issue is fixed in watchOS 7.0, Safari 14.0, iOS 14.0 and iPadOS 14.0. Visiting a malicious website may lead to address bar spoofing.

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, Safari 13.1.2. Visiting a malicious website may lead to address bar spoofing.

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in iOS 16.7.2 and iPadOS 16.7.2, iOS 17.1 and iPadOS 17.1, Safari 17.1, macOS Sonoma 14.1. Visiting a malicious website may lead to address bar spoofing.

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sonoma 14.1, macOS Monterey 12.7.1, macOS Ventura 13.6.1. A website may be able to access the microphone without the microphone use indicator being shown.

After a website had entered fullscreen mode, it could have used a previously opened popup to obscure the notification that indicates the browser is in fullscreen mode. Combined with spoofing the browser chrome, this could have led to confusing the user about the current origin of the page and credential theft or other attacks. This vulnerability affects Firefox < 74.

Incorrect implementation in Omnibox in Google Chrome on iOS prior to 80.0.3987.87 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

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.

A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.

Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. *This issue only affects Android versions of Firefox and Firefox Focus.* This vulnerability affects Firefox < 121.

In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the push manager subscription defined one. This could allow empty messages to be sent from unauthorized parties. *This bug only affects Firefox on Android.* This vulnerability affects Firefox < 121.

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. *Note: This issue only affected macOS operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

This issue was addressed with improved checks. This issue is fixed in iOS 16, iOS 15.7 and iPadOS 15.7. Visiting a malicious website may lead to address bar spoofing.

The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If present, Thunderbird did not compare the signature creation date with the message date and time, and displayed a valid signature despite a date or time mismatch. This could be used to give recipients the impression that a message was sent at a different date or time. This vulnerability affects Thunderbird < 115.6.

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.

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a different context, such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects Thunderbird < 115.6.

Inappropriate implementation in Permissions 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 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)

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.

When the pointer lock is enabled by a website though requestPointerLock(), no user notification is given. This could allow a malicious website to hijack the mouse pointer and confuse users. This vulnerability affects Firefox < 69.0.1.

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.

Inappropriate implementation in Picture In Picture in Google Chrome prior to 139.0.7258.66 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 validation of untrusted input in Core in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Low)

A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 141.

Inappropriate implementation in Picture In Picture in Google Chrome prior to 139.0.7258.66 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)

The frame iterator could get stuck in a loop when encountering certain wasm frames leading to incorrect stack traces. This vulnerability affects Firefox < 128 and Thunderbird < 128.

In certain scenarios a malicious website could attempt to display a fake location URL bar which could mislead users as to the actual website address This vulnerability affects Firefox for iOS < 127.

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.

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.