CVE-2023-1226Network attack vector

Content security policy bypass via crafted HTML

Published Mar 7, 2023 · Updated Oct 10, 2024

Insufficient policy enforcement in Google Chrome's Web Payments API before 111.0.5563.64 allows remote attackers to bypass CSP via crafted HTML. Google's public release identifies the affected API but does not disclose which policy check mishandles the page or how. Loading attacker-controlled content is required, enabling behavior prohibited by the page's content security policy without reported data disclosure or service interruption.

CVSS severity6.5
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient policy enforcement in Google Chrome's Web Payments API before 111.0.5563.64 allows remote attackers to bypass CSP via crafted HTML. Google's public release identifies the affected API but does not disclose which policy check mishandles the page or how. Loading attacker-controlled content is required, enabling behavior prohibited by the page's content security policy without reported data disclosure or service interruption.

The record

CVE
CVE-2023-1226
Published
Mar 7, 2023
Updated
Oct 10, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 10, 2024Record 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=111.0.5563.64 <111.0.5563.64

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=111.0.5563.64 <111.0.5563.64

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

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

No sourced classifications are available.

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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