{"vulnerability": "CVE-2021-43531", "sightings": [{"uuid": "7d417822-0a1e-417a-8158-ed499a14b0f0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-43531", "type": "seen", "source": "https://t.me/cibsecurity/33649", "content": "\u203c CVE-2021-43531 \u203c\n\nWhen a user loaded a Web Extensions context menu, the Web Extension could access the post-redirect URL of the element clicked. If the Web Extension lacked the WebRequest permission for the hosts involved in the redirect, this would be a same-origin-violation leaking data the Web Extension should have access to. This was fixed to provide the pre-redirect URL. This is related to CVE-2021-43532 but in the context of Web Extensions. This vulnerability affects Firefox < 94.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-12-09T00:23:54.000000Z"}]}