Vulnerabilities > Mozilla > Firefox > Medium
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 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. | 4.3 |
| 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. | 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. | 4.3 |
| 2021-12-08 | CVE-2021-43532 | Open Redirect vulnerability in Mozilla Firefox The 'Copy Image Link' context menu action would copy the final image URL after redirects. | 6.1 |
| 2021-12-08 | CVE-2021-43533 | Unspecified vulnerability in Mozilla Firefox When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped, resulting in inconsistencies that could lead to user confusion or attacks such as phishing. | 4.3 |
| 2021-12-08 | CVE-2021-43536 | Information Exposure vulnerability in multiple products Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. | 6.5 |
| 2021-12-08 | CVE-2021-43538 | Race Condition vulnerability in multiple products 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. | 4.3 |
| 2021-12-08 | CVE-2021-43540 | Unspecified vulnerability in Mozilla Firefox WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. | 6.5 |
| 2021-12-08 | CVE-2021-43541 | When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. | 6.5 |
| 2021-12-08 | CVE-2021-43542 | Information Exposure Through an Error Message vulnerability in multiple products Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. | 6.5 |