CVE-2022-3935Public exploitNetwork attack vector

Stored script execution via unescaped shop data

Published Dec 12, 2022 · Updated Apr 22, 2025

Stored XSS in Welcart e-Commerce before 2.8.4 allows remote authenticated users to execute scripts through crafted shop data. The payment_ajax and item_option_ajax handlers store unescaped newexplanation and optvalue input, while registration city data reaches an unescaped administrator log. Subscriber access reaches the AJAX paths, and a shopper or administrator must open the affected payment, item-option, or log view for script execution.

CVSS severity5.4
Medium
EPSS probability0.47%
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 Welcart e-Commerce before 2.8.4 allows remote authenticated users to execute scripts through crafted shop data. The payment_ajax and item_option_ajax handlers store unescaped newexplanation and optvalue input, while registration city data reaches an unescaped administrator log. Subscriber access reaches the AJAX paths, and a shopper or administrator must open the affected payment, item-option, or log view for script execution.

The record

CVE
CVE-2022-3935
Published
Dec 12, 2022
Updated
Apr 22, 2025
Vendor
Welcart Inc.
Product
Welcart e-Commerce
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 12, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 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=0 <2.8.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Welcart Inc. · Welcart e-Commerceversion=0 <2.8.4

Published CVSS scores

5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Cross-Site Scripting (XSS)
T1059.007Command and Scripting Interpreter: JavaScript/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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