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CVE-2019-5840

18
FAUCET Score

CVE-2019-5840 describes an incorrect security UI vulnerability in the popup blocker of Google Chrome on iOS, affecting versions prior to 75.0.3770.80, as well as various Linux distributions. This flaw allows a remote attacker to bypass navigation restrictions through a specially crafted HTML page. Rated Medium (CVSS 4.3), the vulnerability requires user interaction (UI:R) but can be exploited over the network (AV:N) with low attack complexity (AC:L), potentially leading to limited integrity impact (I:L). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 75.0.3770.80CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
sle-15CPE matchmatch criteria
cpe:2.3:o:opensuse:backports:sle-15:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 73rd percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:75.0.3770.80-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2019-5840Low

chromium-browser: Popup blocker bypass

Jun 4, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-06/msg00085.html
chromereleases.googleblog.com / 2019/06/stable-channel-update-for-desktop.html
crbug.com / 951782
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/CPM7VPE27DUNJLXM4F5PAAEFFWOEND6X
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FKN4GPMBQ3SDXWB4HL45II5CZ7P2E4AI
seclists.org / bugtraq/2019/Aug/19
security.gentoo.org / glsa/201908-18
debian.org / security/2019/dsa-4500