CVE-2023-6512Network attack vector

UI spoofing via iframe context-menu misrendering

Published Dec 6, 2023 · Updated May 28, 2025

UI spoofing in Google Chrome before 120.0.6099.62 allows remote attackers to misrepresent an iframe dialog context menu via crafted HTML. Google identifies the locus only as Web Browser UI and has not disclosed which context-menu operation mishandles untrusted iframe content. Exploitation requires a user to open the crafted page and invoke the affected menu; the bounded consequence is misleading browser UI content.

CVSS severity6.5
Medium
EPSS probability1.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

UI spoofing in Google Chrome before 120.0.6099.62 allows remote attackers to misrepresent an iframe dialog context menu via crafted HTML. Google identifies the locus only as Web Browser UI and has not disclosed which context-menu operation mishandles untrusted iframe content. Exploitation requires a user to open the crafted page and invoke the affected menu; the bounded consequence is misleading browser UI content.

The record

CVE
CVE-2023-6512
Published
Dec 6, 2023
Updated
May 28, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-838
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 6, 2023CVE publishedPublication date reported by the CVE source.
  2. May 28, 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=120.0.6099.62 <120.0.6099.62

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=120.0.6099.62 <120.0.6099.62

Published CVSS scores

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

CWE-838Inappropriate Encoding for Output Context

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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