EUVD-2026-68739

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0...

Security Vulnerabilities fixed in Firefox for iOS 155.0 — Mozilla

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted input in the Popup Blocker component of Google Chrome prior to version 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Firefox and Thunderbird

When resizing a popup while requesting fullscreen access, the popup becomes unable to exit the fullscreen mode. This vulnerability affects Firefox ESR 91.5, Firefox 96, and Thunderbird 91.5...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in the Popup Blocker component of Google Chrome prior to version 108.0.5359.71 allowed a remote attacker to bypass navigation restrictions through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Firefox and Thunderbird

A bug in the interaction of popup notifications with WebAuthn makes it easier for attackers to trick users into granting permissions. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11...

Astra Linux – Vulnerability in Firefox, Thunderbird

A bug in the calculation of popup notification delays could have allowed an attacker to trick a user into granting permissions. This vulnerability affects Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

A bug in the calculation of popup notification delays could have allowed an attacker to trick a user into granting permissions. This vulnerability affects Firefox 116, Firefox ESR 102.14, and Firefox ESR 115.1...

Astra Linux – Vulnerability in Firefox

When a web page created a pop-up from a “javascript:“ URL, that pop-up was incorrectly allowed to load blockable content such as iframes from insecure http: URLs. This vulnerability affects Firefox versions earlier than 120...

Astra Linux – Vulnerability in Firefox, Thunderbird

A malicious website that could create a popup might resize the popup to overlay the address bar with its own content, causing potential confusion for users or leading to spoofing attacks. This bug only affects Thunderbird for Linux. Other operating systems are unaffected.. This vulnerability...

Astra Linux – Vulnerability in Firefox and Thunderbird

A missing delay in popup notifications could have allowed an attacker to trick a user into granting permissions. This vulnerability affects Firefox 113, Firefox ESR 102.11, and Thunderbird 102.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

Through a series of popups that reuse windowName, an attacker can cause a window to go fullscreen without the user seeing the notification prompt. This results in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

Astra Linux – Vulnerability in Firefox

A spoofing issue exists in the Popup Blocker component. This vulnerability has been fixed in Firefox 151 and Thunderbird 151...

Astra Linux – Vulnerability in Firefox

If a website is allowed to display pop-up windows, it can cause Select elements to appear above other websites, thereby performing a spoofing attack. This vulnerability affects Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2...

Astra Linux – Vulnerability in Firefox and Thunderbird

A malicious extension could have opened a popup window without an address bar. The title of the popup without an address bar should not be fully controllable, but in this case it was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This...

CVE-2026-77116

Brave Popup Builder slug: brave-popup-builder has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL...

CVE-2026-77115

Brave Popup Builder brave-popup-builder up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them...

EUVD-2026-64639

Brave Popup Builder slug: brave-popup-builder has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL...

EUVD-2026-64638

Brave Popup Builder brave-popup-builder up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them...

CVE-2026-77115

Brave Popup Builder (WordPress plugin) versions up to 0.8.5 are affected by an unauthenticated reflected XSS vulnerability. The root cause is the reflection of UTM query parameters into popup form HTML without proper output escaping, allowing an attacker to inject arbitrary script via crafted URL...