When a JavaScript URL (javascript:) is evaluated and the result is a string, this string is parsed to create an HTML document, which is then presented. Previously, this document's URL (as reported by the document.location property, for example) was the originating javascript: URL which could lead to spoofing attacks; it is now correctly the URL of the originating document. This vulnerability affects Firefox < 74.
Published 2020-03-25 22:15:13
Updated 2020-03-27 14:40:49
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-6808

0.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-6808

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
2.8
3.6
NIST

CWE ids for CVE-2020-6808

  • This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-6808

Products affected by CVE-2020-6808

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