VulnerabilityModified
CVE-2020-6810
This vulnerability affects Firefox < 74.
MEDIUM 4.3EPSS 1.00%
Does this matter?
Lower severity and a low EPSS score (1.00%). Track it; it rarely justifies an emergency change on its own.
Description
After a website had entered fullscreen mode, it could have used a previously opened popup to obscure the notification that indicates the browser is in fullscreen mode. Combined with spoofing the browser chrome, this could have led to confusing the user about the current origin of the page and credential theft or other attacks. This vulnerability affects Firefox < 74.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- EPSS
- 1.00% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1432856Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-08/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1432856Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-08/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.