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01 Record

CVE-2018-6103

A stagnant permission prompt in Prompts in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to bypass permission policy via a crafted HTML page.

UnratedPUBLISHEDCNA: Chrome
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A stagnant permission prompt in Prompts in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to bypass permission policy via a crafted HTML page.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.49% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 73.6% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-12-04 17:00Z7 YR AGO
Last updated
2024-08-05 05:54Z2 YR AGO
Reserved
2018-01-23
Assigning CNA
Chrome
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
58e54cb150c646d3bdbd7c043e227aa0de23f419a2c4975cce75343b87fb8acf

05 Affected products

VendorProductVersionsPlatforms
GoogleChrome< 66.0.3359.117—

06 References

07 Fixed in

Arch Linux

  • chromium
    Fixed in 66.0.3359.117-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • chromium-browser
    Fixed in 66.0.3359.139-0ubuntu0.16.04.3
  • oxide-qt
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • chromium-browser
    Fixed in 66.0.3359.139-0ubuntu0.18.04.3

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.