CVE-2023-6206

Summary

The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 120affected
MozillaFirefox ESRunspecified < 115.5.0affected
MozillaThunderbirdunspecified < 115.5affected

Weaknesses

  • Clickjacking permission prompts using the fullscreen transition

ADP Enrichment

CVE Program Container

Additional References

References