CVE-2020-6470

Script injection via crafted clipboard contents

Published May 21, 2020 · Updated Aug 4, 2024

Universal cross-site scripting in Google Chrome before 83.0.4103.61 allows local users to inject scripts or HTML via clipboard content. Google's public advisory identifies insufficient validation in the clipboard component but does not disclose the affected function or validation step. Exploitation requires local control of crafted clipboard contents and executes attacker-supplied markup in another origin's context.

CVSS severity6.1
Medium
EPSS probability1.04%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Universal cross-site scripting in Google Chrome before 83.0.4103.61 allows local users to inject scripts or HTML via clipboard content. Google's public advisory identifies insufficient validation in the clipboard component but does not disclose the affected function or validation step. Exploitation requires local control of crafted clipboard contents and executes attacker-supplied markup in another origin's context.

The record

CVE
CVE-2020-6470
Published
May 21, 2020
Updated
Aug 4, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-79
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. May 21, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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=unspecified <83.0.4103.61

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Google Cloud · Google Chromeversion=unspecified <83.0.4103.61

Published CVSS scores

4.3NIST National Vulnerability DatabaseAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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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