How severe is CVE-2018-6148?

CVE-2018-6148 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-6148 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6148?

CVE-2018-6148 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6148?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-6148 published?

CVE-2018-6148 was published on 2019-06-27 and last updated on 2026-06-17.

CVE-2018-6148

CVE-2018-6148 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-93.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-93
Affected product: Google Chrome
Published: 2019-06-27
Last modified: 2026-06-17

Description

Incorrect implementation in Content Security Policy in Google Chrome prior to 67.0.3396.79 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Frequently asked questions

What is CVE-2018-6148?: Incorrect implementation in Content Security Policy in Google Chrome prior to 67.0.3396.79 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.
How severe is CVE-2018-6148?: CVE-2018-6148 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-6148 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6148?: CVE-2018-6148 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6148?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6148 published?: CVE-2018-6148 was published on 2019-06-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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