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CVE-2017-7821
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2018-06-11T21:29:10.920 · Last modified 2026-06-17T01:25:16.903

Summary

A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.