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Fencer Vulns
medium 6.1

CVE-2018-4133 json

An issue was discovered in certain Apple products.

published 2018-04-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15919

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

An issue was discovered in certain Apple products. Safari before 11.1 is affected. The issue involves the "WebKit" component. A Safari cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via a crafted URL.

Patch / fix

  • apple safari 11.1
  • webkitgtk webkitgtk+ 2.20.4
  • webkit2gtk Debian 14, Debian 13, Debian 12 2.20.0-2

debian advisories DEBIAN-CVE-2018-4133

  • webkit2gtk Ubuntu 16.04 LTS 2.20.1-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2018-4133

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • webkit2gtk3 SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +2 more 2.20.3-2.23.8

suse advisories SUSE-SU-2018:3387-1

  • gtk3 openSUSE Tumbleweed 2.32.4-1.1

opensuse advisories openSUSE-SU-2024:11506-1

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns 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.