CVE-2023-5479Network attack vector

Enterprise policy bypass via crafted HTML page

Published Oct 11, 2023 · Updated Feb 13, 2025

Security policy bypass in Google Chrome before 118.0.5993.70 allows attackers to evade enterprise controls via a crafted HTML page. The public Chrome record identifies the Extensions API but does not disclose the code path or incorrect operation that permits the bypass. Exploitation requires a user to install a malicious extension and load the crafted page; the demonstrated consequence is limited to bypassing an enterprise policy.

CVSS severityUnavailable
Unscored
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Security policy bypass in Google Chrome before 118.0.5993.70 allows attackers to evade enterprise controls via a crafted HTML page. The public Chrome record identifies the Extensions API but does not disclose the code path or incorrect operation that permits the bypass. Exploitation requires a user to install a malicious extension and load the crafted page; the demonstrated consequence is limited to bypassing an enterprise policy.

The record

CVE
CVE-2023-5479
Published
Oct 11, 2023
Updated
Feb 13, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
T1176
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=118.0.5993.70 <118.0.5993.70

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=118.0.5993.70 <118.0.5993.70

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1176Browser Extensions

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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