Mozilla Firefox For Ios

54 CVEs affecting Mozilla Firefox For Ios. Latest disclosed: 2026-07-13. Critical: 7, High: 5.

Top CVEs affecting Mozilla Firefox For Ios
CVESeverityScorePublishedSummary
CVE-2026-2634Critical9.82026-02-24Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-control…
CVE-2025-55031Critical9.82025-08-19Malicious 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…
CVE-2025-54143Critical9.82025-08-19Sandboxed iframes on webpages could potentially allow downloads to the device, bypassing the expected sandbox restrictions declared on the parent page. This vu…
CVE-2023-49060Critical9.82023-11-21An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability a…
CVE-2022-1887Critical9.82022-12-22The search term could have been specified externally to trigger SQL injection. This vulnerability affects Firefox for iOS < 101.
CVE-2025-54145Critical9.12025-08-19The QR scanner could allow arbitrary websites to be opened if a user was tricked into scanning a malicious link that leveraged Firefox's open-text URL scheme…
CVE-2024-10004Critical9.12024-10-15Opening an external link to an HTTP website when Firefox iOS was previously closed and had an HTTPS tab open could in some cases result in the padlock icon sho…
CVE-2024-26283High7.82024-02-22An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme. This…
CVE-2025-55029High7.52025-08-19Malicious scripts could bypass the popup blocker to spam new tabs, potentially resulting in denial of service attacks. This vulnerability was fixed in Firefox…
CVE-2024-31392High7.52024-04-03If an insecure element was added to a page after a delay, Firefox would not replace the secure icon with a mixed content security status This vulnerability aff…
CVE-2020-6830High7.52020-05-26For native-to-JS bridging, the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token was being used…
CVE-2024-26282High7.12024-02-22Using an AMP url with a canonical element, an attacker could have executed JavaScript from an opened bookmarked page. This vulnerability affects Firefox for iO…
CVE-2026-53899Medium6.52026-06-16Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging…
CVE-2026-8706Medium6.52026-05-19Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receiv…
CVE-2025-14744Medium6.52025-12-18Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files…
CVE-2025-55028Medium6.52025-08-19Malicious scripts utilizing repetitive JavaScript alerts could prevent client user interaction in some scenarios and allow for denial of service attacks. This…
CVE-2025-23109Medium6.52025-01-11Long hostnames in URLs could be leveraged to obscure the actual host of the website or spoof the website address. This vulnerability was fixed in Firefox for i…
CVE-2024-38312Medium6.52024-06-13When browsing private tabs, some data related to location history or webpage thumbnails could be persisted incorrectly within the sandboxed app bundle after ap…
CVE-2023-37456Medium6.52023-07-12The session restore helper crashed whenever there was no parameter sent to the message handler. This vulnerability affects Firefox for iOS < 115.
CVE-2022-31746Medium6.52022-12-22Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header. This vulnerability affects Firefox for…