How severe is CVE-2023-5479?

CVE-2023-5479 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-2023-5479 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5479?

CVE-2023-5479 primarily affects Google Chrome. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-5479?

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

When was CVE-2023-5479 published?

CVE-2023-5479 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-5479

CVE-2023-5479 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.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Chrome
Published: 2023-10-11
Last modified: 2026-06-17

Description

Inappropriate implementation in Extensions API in Google Chrome prior to 118.0.5993.70 allowed an attacker who convinced a user to install a malicious extension to bypass an enterprise policy via a crafted HTML page. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2023-5479?: Inappropriate implementation in Extensions API in Google Chrome prior to 118.0.5993.70 allowed an attacker who convinced a user to install a malicious extension to bypass an enterprise policy via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2023-5479?: CVE-2023-5479 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-2023-5479 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5479?: CVE-2023-5479 primarily affects Google Chrome. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-5479?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5479 published?: CVE-2023-5479 was published on 2023-10-11 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

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