CVE-2022-3603Public exploitNetwork attack vector

Spreadsheet formula execution via unvalidated CSV fields

Published Nov 28, 2022 · Updated Apr 25, 2025

CSV injection in PI Web Solution’s PiWeb Export Customers Users & Guest customer to CSV for WooCommerce before 2.0.69 allows remote attackers to execute spreadsheet formulas via crafted customer fields. The exporter writes attacker-controlled customer data into CSV cells without neutralizing formula prefixes such as =, causing Excel or LibreOffice to evaluate the cells when an administrator opens the file. Exploitation requires a crafted order or profile value and an administrator or other spreadsheet user to open the exported file; impact is code execution in that spreadsheet application’s security context.

CVSS severity9.8
Critical
EPSS probability1.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSV injection in PI Web Solution’s PiWeb Export Customers Users & Guest customer to CSV for WooCommerce before 2.0.69 allows remote attackers to execute spreadsheet formulas via crafted customer fields. The exporter writes attacker-controlled customer data into CSV cells without neutralizing formula prefixes such as =, causing Excel or LibreOffice to evaluate the cells when an administrator opens the file. Exploitation requires a crafted order or profile value and an administrator or other spreadsheet user to open the exported file; impact is code execution in that spreadsheet application’s security context.

The record

CVE
CVE-2022-3603
Published
Nov 28, 2022
Updated
Apr 25, 2025
Vendor
PI Web Solution
Product
PiWeb Export Customers Users & Guest customer to CSV for WooCommerce
Classifications
CWE-1236, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 28, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 25, 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 <2.0.69

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PI Web Solution · PiWeb Export Customers Users & Guest customer to CSV for WooCommerceversion=0 <2.0.69

Published CVSS scores

9.8FeedlyCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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-1236Improper Neutralization of Formula Elements in a CSV File
T1204.002User Execution: Malicious File

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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