Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-26958

Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 53.1%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
Products affected by CVE-2020-26958


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