CVE-2017-7844

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

A combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image can be used to determine which pages a user has in their history. This can allow a malicious website to query user history. Note: This issue only affects Firefox 57. Earlier releases are not affected. This vulnerability affects Firefox < 57.0.1.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

VendorProductVersions
MozillaFirefox>= unspecified, < 57.0.1

References

Timeline

Published
Jun 11, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-7844: Medium severity, CVSS 6.5 | Vulnix