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CVE-2017-7830

The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-origin policy violation and could allow…

Medium6.5EPSS 2.4%
Published
Updated
Reserved
Assigned by
mozilla

Description

The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-origin policy violation and could allow for data theft of URLs loaded by users. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

Scores

CVSS scores of CVE-2017-7830, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Medium6.5CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
2.4% · top 16% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

  • Cross-origin URL information leak through Resource Timing API

Affected products

References (13)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .