CVE-2022-0801Network attack vector

XSS prevention bypass via flawed HTML parsing

Published Jan 2, 2023 · Updated Oct 22, 2024

Cross-site scripting in Google Chrome before 99.0.4844.51 allows remote attackers to bypass XSS preventions via a crafted HTML page. Google identifies the locus as the HTML parser but has not publicly disclosed which parsing operation mishandles the crafted markup. Exploitation requires user interaction with attacker-controlled content and can expose or modify data in another origin's security context.

CVSS severity6.1
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Google Chrome before 99.0.4844.51 allows remote attackers to bypass XSS preventions via a crafted HTML page. Google identifies the locus as the HTML parser but has not publicly disclosed which parsing operation mishandles the crafted markup. Exploitation requires user interaction with attacker-controlled content and can expose or modify data in another origin's security context.

The record

CVE
CVE-2022-0801
Published
Jan 2, 2023
Updated
Oct 22, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-79, T1204
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 22, 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 <99.0.4844.51

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=unspecified <99.0.4844.51

Published CVSS scores

6.1NIST NVDCVSS: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 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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204User Execution

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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