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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 0 LOW 2

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 0 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 1 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 2 No user interaction 0

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Weakness (CWE) CWE-79 Improper Neutralization of Input During Web Page Generation 1

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Release: Mozilla Firefox 95 × Clear all filters

TI-2021-19430 CVE-2021-43540 · GHSA-vj37-39rq-5f3g

WebExtensions with the correct permissions were able to create and install ServiceWorkers…

Priority LOW 31

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.

CVSS 3.1MEDIUM 6.5· Network · No auth · User interaction · EPSS 0.0089 · Published 2021-12-08 · Fixed in 95

TI-2021-19434 CVE-2021-43544 · GHSA-7w2r-8gq9-28xx

Cross-site scripting in Mozilla Firefox

Priority LOW 28

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 attac…

CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00526 · Published 2021-12-08 · Fixed in 95 CWE-79

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