Mozilla Firefox Focus vulnerabilities

CVE-2025-10290 [MEDIUM] CWE-451 CVE-2025-10290: Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but wo Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press This vulnerability affects Focus for iOS < 143.0.

CVE-2025-55031 [CRITICAL] CWE-601 CVE-2025-55031: Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passk Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An attacker within Bluetooth range could have used this to trick the user into using their passkey to log the attacker's computer into the target account. This vulnerability affects Firefox for iOS < 142 and Focus for iOS < 142.

CVE-2025-55032 [MEDIUM] CWE-601 CVE-2025-55032: Focus for iOS would not respect a Content-Disposition header of type Attachment and would incorrectl Focus for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline, potentially allowing for XSS attacks This vulnerability affects Focus for iOS < 142.

CVE-2025-55033 [MEDIUM] CWE-79 CVE-2025-55033: Dragging JavaScript links to the URL bar in Focus for iOS could be utilized to run malicious scripts Dragging JavaScript links to the URL bar in Focus for iOS could be utilized to run malicious scripts, potentially resulting in XSS attacks This vulnerability affects Focus for iOS < 142.

CVE-2025-3859 [MEDIUM] CWE-601 CVE-2025-3859: Websites directing users to long URLs that caused eliding to occur in the location view could levera Websites directing users to long URLs that caused eliding to occur in the location view could leverage the truncating behavior to potentially trick users into thinking they were on a different webpage This vulnerability affects Focus < 138.

CVE-2024-10474 [MEDIUM] CWE-287 CVE-2024-10474: Focus was incorrectly allowing internal links to utilize the app scheme used for deeplinking, which Focus was incorrectly allowing internal links to utilize the app scheme used for deeplinking, which could result in links potentially circumventing some URL safety checks This vulnerability affects Focus for iOS < 132.

CVE-2024-8399 [MEDIUM] CWE-290 CVE-2024-8399: Websites could utilize Javascript links to spoof URL addresses in the Focus navigation bar This vuln Websites could utilize Javascript links to spoof URL addresses in the Focus navigation bar This vulnerability affects Focus for iOS < 130.

CVE-2024-5022 [MEDIUM] CVE-2024-5022: The file scheme of URLs would be hidden, resulting in potential spoofing of a website's address in t The file scheme of URLs would be hidden, resulting in potential spoofing of a website's address in the location bar This vulnerability affects Focus for iOS < 126.

CVE-2024-1563 [HIGH] CWE-367 CVE-2024-1563: An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS < 122.

CVE-2024-26284 [MEDIUM] CWE-79 CVE-2024-26284: Utilizing a 302 redirect, an attacker could have conducted a Universal Cross-Site Scripting (UXSS) o Utilizing a 302 redirect, an attacker could have conducted a Universal Cross-Site Scripting (UXSS) on a victim website, if the victim had a link to the attacker's website. This vulnerability affects Focus for iOS < 123.

CVE-2024-0605 [HIGH] CWE-362 CVE-2024-0605: Using a javascript: URI with a setTimeout race condition, an attacker can execute unauthorized scrip Using a javascript: URI with a setTimeout race condition, an attacker can execute unauthorized scripts on top origin sites in urlbar. This bypasses security measures, potentially leading to arbitrary code execution or unauthorized actions within the user's loaded webpage. This vulnerability affects Focus for iOS < 122.

CVE-2024-0606 [MEDIUM] CWE-79 CVE-2024-0606: An attacker could execute unauthorized script on a legitimate site through UXSS using window.open() An attacker could execute unauthorized script on a legitimate site through UXSS using window.open() by opening a javascript URI leading to unauthorized actions within the user's loaded webpage. This vulnerability affects Focus for iOS < 122.

CVE-2023-29534 [CRITICAL] CVE-2023-29534: Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

CVE-2023-29546 [MEDIUM] CVE-2023-29546: When recording the screen while in Private Browsing on Firefox for Android the address bar and keybo When recording the screen while in Private Browsing on Firefox for Android the address bar and keyboard were not hidden, potentially leaking sensitive information. *This bug only affects Firefox for Android. Other operating systems are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

CVE-2022-26486 [CRITICAL] CWE-416 CVE-2022-26486: An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable san An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

CVE-2022-26485 [HIGH] CWE-416 CVE-2022-26485: Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We ha Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.