CVE-2023-49974Public exploitNetwork attack vector

Browser script execution via stored contact input

Published Mar 6, 2024 · Updated Aug 15, 2024

Stored XSS in SourceCodester Customer Support System 1.0 allows remote authenticated users to execute scripts through the contact field. The create or edit workflow stores contact input, and the customer_list page renders it as active HTML without neutralization. Published reproduction steps require login and a later visit to the customer list, where the payload executes in the visitor's browser.

CVSS severity6.1
Medium
EPSS probability0.45%
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 SourceCodester Customer Support System 1.0 allows remote authenticated users to execute scripts through the contact field. The create or edit workflow stores contact input, and the customer_list page renders it as active HTML without neutralization. Published reproduction steps require login and a later visit to the customer list, where the payload executes in the visitor's browser.

The record

CVE
CVE-2023-49974
Published
Mar 6, 2024
Updated
Aug 15, 2024
Vendor
Online Computer and Laptop Store Project
Product
Customer Support System
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 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=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Online Computer and Laptop Store Project · Customer Support Systemversion=1.0

Published CVSS scores

6.1CISA-ADPCVSS: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.

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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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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