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Fencer Intel
medium 4.3

CVE-2019-8827 json

The HTTP referrer header may be used to leak browsing history.

published 6y ago modified 4mo ago also EUVD-2019-18217

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

The HTTP referrer header may be used to leak browsing history. The issue was resolved by downgrading all third party referrers to their origin. This issue is fixed in Safari 13.0.3, iTunes 12.10.2 for Windows, iCloud for Windows 10.9.2, tvOS 13.2, iOS 13.2 and iPadOS 13.2, iCloud for Windows 7.15. Visiting a maliciously crafted website may reveal the sites a user has visited.

Patch / fix

  • Apple iOS and iPadOS 13.2
  • Apple tvOS 13.2
  • Apple Safari 13.0
  • Apple iTunes for Windows 12.10
  • Apple iCloud for Windows 7.15, 10.9

Is CVE-2019-8827 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Apple iOS and iPadOS
  • Apple tvOS
  • Apple Safari
  • Apple iTunes for Windows
  • Apple iCloud for Windows

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.