Improper input validation in Mozilla Firefox

CVE-2017-7807

A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the domain. This has been addressed by requiring fallback files be inside the manifest directory. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7807?
CVE-2017-7807 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2018-06-11.
How severe is CVE-2017-7807?
High severity. CVSS v3 base score is 8.1 out of 10.