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Vulnerability record · CVE-2018-18347 · published 11 December 2018

CVE-2018-18347: Google chrome improper input validation vulnerability

Google · Chrome

Incorrect handling of failed navigations with invalid URLs in Navigation in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to trick a user into executing javascript in an arbitrary origin via a crafted HTML page.

8.8 CVSS 3.0 High EPSS 1.4% · top 28.8% CWE-20 · Improper input validation
8.8CVSS 3.0 base score, v2 6.8
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

Incorrect handling of failed navigations with invalid URLs in Navigation in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to trick a user into executing javascript in an arbitrary origin via a crafted HTML page.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/106084
https://access.redhat.com/errata/RHSA-2018:3803
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
https://crbug.com/850824
https://security.gentoo.org/glsa/201908-18
https://www.debian.org/security/2018/dsa-4352
http://www.securityfocus.com/bid/106084
https://access.redhat.com/errata/RHSA-2018:3803
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
https://crbug.com/850824
https://security.gentoo.org/glsa/201908-18
https://www.debian.org/security/2018/dsa-4352

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Source: NIST National Vulnerability Database (record CVE-2018-18347), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.