CVE-2020-15655

Summary

A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox ESRunspecified < 78.1affected
MozillaFirefoxunspecified < 79affected
MozillaThunderbirdunspecified < 78.1affected

Weaknesses

  • Extension APIs could be used to bypass Same-Origin Policy

ADP Enrichment

CVE Program Container

Additional References

References