CVE-2022-28449Public exploitNetwork attack vector

Stored XSS via unrestricted HTML upload

Published Apr 26, 2022 · Updated Aug 3, 2024

Stored XSS in nopCommerce 4.50.1 allows remote attackers to execute script in a victim's browser through a vendor-account file upload. The application accepts an HTML payload, derives an .html thumbnail name from its declared Content-Type, and publishes it beneath /images/thumbs at a predictable URL. Exploitation requires the vendor-account application feature and a victim to open the attacker-controlled file; the demonstrated impact is browser-context code execution.

CVSS severity6.1
Medium
EPSS probability0.72%
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 nopCommerce 4.50.1 allows remote attackers to execute script in a victim's browser through a vendor-account file upload. The application accepts an HTML payload, derives an .html thumbnail name from its declared Content-Type, and publishes it beneath /images/thumbs at a predictable URL. Exploitation requires the vendor-account application feature and a victim to open the attacker-controlled file; the demonstrated impact is browser-context code execution.

The record

CVE
CVE-2022-28449
Published
Apr 26, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 26, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

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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