Vulnerabilities > Mozilla > Firefox > Medium
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 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 |
| 2021-12-08 | CVE-2021-43543 | Cross-site Scripting vulnerability in multiple products Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. | 6.1 |
| 2021-12-08 | CVE-2021-43544 | Cross-site Scripting vulnerability in Mozilla Firefox When receiving a URL through a SEND intent, Firefox would have searched for the text, but subsequent usages of the address bar might have caused the URL to load unintentionally, which could lead to XSS and spoofing attacks. | 6.1 |