CVE-2024-9966Network attack vector

Content Security Policy bypass via crafted HTML

Published Oct 15, 2024 · Updated Mar 25, 2025

Content Security Policy bypass in Google Chrome before 130.0.6723.58 allows remote attackers to evade page restrictions via crafted HTML. Google identifies the locus only as Navigations and has not disclosed which navigation operation mishandles the crafted page. Rendering attacker-controlled HTML is sufficient; the bypass permits content or actions that the page policy was intended to block, with no reported confidentiality or availability impact.

CVSS severity5.3
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Content Security Policy bypass in Google Chrome before 130.0.6723.58 allows remote attackers to evade page restrictions via crafted HTML. Google identifies the locus only as Navigations and has not disclosed which navigation operation mishandles the crafted page. Rendering attacker-controlled HTML is sufficient; the bypass permits content or actions that the page policy was intended to block, with no reported confidentiality or availability impact.

The record

CVE
CVE-2024-9966
Published
Oct 15, 2024
Updated
Mar 25, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 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=130.0.6723.58 <130.0.6723.58

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=130.0.6723.58 <130.0.6723.58

Published CVSS scores

6.5IBM X-ForceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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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