CVE-2024-3847Network attack vector

Content security policy bypass

Published Apr 17, 2024 · Updated Feb 13, 2025

Content security policy bypass in Google Chrome before 124.0.6367.60 allows remote attackers to cross WebUI policy boundaries via crafted HTML. Google has not published the exact WebUI locus or the enforcement operation that mishandles the crafted page. Exploitation requires a user to load attacker-controlled content and permits limited cross-boundary data access or modification, without a reported availability impact.

CVSS severity6.1
Medium
EPSS probability0.89%
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 124.0.6367.60 allows remote attackers to cross WebUI policy boundaries via crafted HTML. Google has not published the exact WebUI locus or the enforcement operation that mishandles the crafted page. Exploitation requires a user to load attacker-controlled content and permits limited cross-boundary data access or modification, without a reported availability impact.

The record

CVE
CVE-2024-3847
Published
Apr 17, 2024
Updated
Feb 13, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-305, CWE-79, CWE-691, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 17, 2024CVE 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=124.0.6367.60
  2. Affected versionversion=124.0.6367.60 <124.0.6367.60

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=124.0.6367.60; version=124.0.6367.60 <124.0.6367.60

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
9.8CISA ADP VulnrichmentCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

CWE-305Authentication Bypass by Primary Weakness
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-691Insufficient Control Flow Management
T1189Drive-by Compromise

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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