Vulnerabilities > Mozilla > Firefox

DATE CVE VULNERABILITY TITLE RISK
2021-12-08 CVE-2021-38503 Incorrect Authorization vulnerability in multiple products
The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame.
network
low complexity
mozilla debian CWE-863
critical
10.0
2021-12-08 CVE-2021-38504 Use After Free vulnerability in multiple products
When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash.
network
low complexity
mozilla debian CWE-416
8.8
2021-12-08 CVE-2021-38505 Exposure of Resource to Wrong Sphere vulnerability in Mozilla Firefox
Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.
network
low complexity
mozilla CWE-668
6.5
2021-12-08 CVE-2021-38506 Improper Restriction of Rendered UI Layers or Frames vulnerability in multiple products
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user.
network
low complexity
mozilla debian CWE-1021
4.3
2021-12-08 CVE-2021-38507 Origin Validation Error vulnerability in multiple products
The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80.
network
low complexity
mozilla debian CWE-346
6.5
2021-12-08 CVE-2021-38508 Improper Restriction of Rendered UI Layers or Frames vulnerability in multiple products
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.
network
low complexity
mozilla debian CWE-1021
4.3
2021-12-08 CVE-2021-38509 Improper Restriction of Rendered UI Layers or Frames vulnerability in multiple products
Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing.
network
low complexity
mozilla debian CWE-1021
4.3
2021-12-08 CVE-2021-38510 Unspecified vulnerability in Mozilla Firefox
The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems.
network
low complexity
mozilla
8.8
2021-12-08 CVE-2021-43530 Cross-site Scripting vulnerability in Mozilla Firefox
A Universal XSS vulnerability was present in Firefox for Android resulting from improper sanitization when processing a URL scanned from a QR code.
network
low complexity
mozilla CWE-79
6.1
2021-12-08 CVE-2021-43531 Origin Validation Error vulnerability in Mozilla Firefox
When a user loaded a Web Extensions context menu, the Web Extension could access the post-redirect URL of the element clicked.
network
low complexity
mozilla CWE-346
4.3