CVE-2022-0379Public exploitNetwork attack vector

Stored script execution via unsanitized checkout surname

Published Jan 26, 2022 · Updated Aug 2, 2024

Stored XSS in Microweber before 1.2.11 allows remote attackers to execute script in a victim's browser through a checkout last name. Checkout routes accepted the untrusted surname without the XSS middleware added by the patch, allowing the value to remain executable. Exploitation requires a checkout submission and a later click on Continue; execution is limited to data and actions available to the victim's browser session.

CVSS severity8.1
High
EPSS probability0.86%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Microweber before 1.2.11 allows remote attackers to execute script in a victim's browser through a checkout last name. Checkout routes accepted the untrusted surname without the XSS middleware added by the patch, allowing the value to remain executable. Exploitation requires a checkout submission and a later click on Continue; execution is limited to data and actions available to the victim's browser session.

The record

CVE
CVE-2022-0379
Published
Jan 26, 2022
Updated
Aug 2, 2024
Vendor
Microweber
Product
Microweber
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 26, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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 <1.2.11

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microweber · Microweberversion=unspecified <1.2.11

Published CVSS scores

3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
8.1huntr.devCVSS:3.0/AV:N/AC:H/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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

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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