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Fencer Vulns
high 8.8

CVE-2016-1622 json

The Extensions subsystem in Google Chrome before 48.0.2564.109 does not prevent use of the Object.defineProperty method to override intende…

published 2016-02-14 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2717

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

The Extensions subsystem in Google Chrome before 48.0.2564.109 does not prevent use of the Object.defineProperty method to override intended extension behavior, which allows remote attackers to bypass the Same Origin Policy via crafted JavaScript code.

Patch / fix

  • chromium-browser Ubuntu 14.04 LTS 48.0.2564.116-0ubuntu0.14.04.1.1111

ubuntu advisories UBUNTU-CVE-2016-1622

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

  • chromium-browser RHEL 6 EXTRAS 48.0.2564.109-1.el6

red hat advisories RHSA-2016:0241

  • chromium openSUSE Tumbleweed 55.0.2883.75-3.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10171-1openSUSE-SU-2024:12948-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-1622 updated cvss 6.8

chromium-browser: same-origin bypass in Extensions

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 48.0.2564.109-1.el6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 48.0.2564.109-1.el6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 48.0.2564.109-1.el6
    fixed: vendor fix RHSA-2016:0241

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
Technology feeds

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.