CVE-2023-6428Network attack vector

Stored script execution via unencoded FirstRecord input

Published Nov 30, 2023 · Updated Jun 3, 2025

Stored XSS in BigProf Software Online Invoicing System 2.6 allows remote attackers to execute JavaScript through a crafted FirstRecord value. The /invoicing/app/items_view.php page stores the FirstRecord parameter without sufficient output encoding and runs the payload when the page loads. Another user must load the affected page, allowing the stored script to act in that user's browser context and expose or modify application data.

CVSS severity6.3
Medium
EPSS probability0.39%
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 BigProf Software Online Invoicing System 2.6 allows remote attackers to execute JavaScript through a crafted FirstRecord value. The /invoicing/app/items_view.php page stores the FirstRecord parameter without sufficient output encoding and runs the payload when the page loads. Another user must load the affected page, allowing the stored script to act in that user's browser context and expose or modify application data.

The record

CVE
CVE-2023-6428
Published
Nov 30, 2023
Updated
Jun 3, 2025
Vendor
BigProf Software
Product
Online Invoicing System
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Jun 3, 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=2.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

BigProf Software · Online Invoicing Systemversion=2.6

Published CVSS scores

6.3INCIBECVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
5.4NVDCVSS: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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

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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