CVE-2017-7834

Summary

A "data:" URL loaded in a new tab did not inherit the Content Security Policy (CSP) of the original page, allowing for bypasses of the policy including the execution of JavaScript. In prior versions when "data:" documents also inherited the context of the original page this would allow for potential cross-site scripting (XSS) attacks. This vulnerability affects Firefox < 57.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 57affected

Weaknesses

  • data: URLs opened in new tabs bypass CSP protections

ADP Enrichment

CVE Program Container

Additional References

References