CVE-2024-5172Public exploitNetwork attack vector

Stored XSS via unsanitized customer names

Published Jun 18, 2024 · Updated Aug 1, 2024

Stored XSS in Envoqon Expert Invoice 1.0.2 and earlier allows remote authenticated users to execute JavaScript in a viewer's browser. The customer/create branch of expert_invoice_ajax_action stores a crafted customer name without sanitization and later renders it without output escaping. Administrator access is required, and the flaw bypasses the unfiltered_html restriction when a user views the stored entry.

CVSS severity4.8
Medium
EPSS probability0.40%
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 Envoqon Expert Invoice 1.0.2 and earlier allows remote authenticated users to execute JavaScript in a viewer's browser. The customer/create branch of expert_invoice_ajax_action stores a crafted customer name without sanitization and later renders it without output escaping. Administrator access is required, and the flaw bypasses the unfiltered_html restriction when a user views the stored entry.

The record

CVE
CVE-2024-5172
Published
Jun 18, 2024
Updated
Aug 1, 2024
Vendor
Envoqon
Product
Expert Invoice
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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=0 <=1.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Envoqon · Expert Invoiceversion=0 <=1.0.2

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
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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