CVE-2022-40294
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe application was identified to have an CSV injection in data export functionality, allowing for malicious code to be embedded within export data and then triggered in exported data viewers.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThe application contains a CSV injection vulnerability in its data export functionality. Unsanitized user-controlled data is written to CSV files, allowing attackers to embed spreadsheet formulas (using characters like =, +, -, @) that execute arbitrary commands when the exported file is opened in spreadsheet applications like Excel or LibreOffice.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 19.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Php Point Of Sale installationLocate the Php Point Of Sale installation directory and check the version.php file or admin panel for the software versionAffected if The installed version is 19.0 exactly
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Verify CSV export functionality existsNavigate to the data export feature in the application (typically found in sales reports, inventory exports, or data backup sections)Affected if The application has a CSV export feature enabled and accessible
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Test for unsanitized user input in exportsCreate a test record with a field containing formula characters (=, +, -, @) and export that data to CSV using the export functionalityAffected if The exported CSV file contains the unmodified formula characters without encoding or sanitization
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Inspect CSV output for injection charactersOpen the exported CSV file in a text editor and verify whether cells starting with =, +, -, or @ are present without being escaped or prefixedAffected if Raw formula-initiation characters appear in the CSV output without encoding
A user is affected if they have Php Point Of Sale version 19.0 with CSV export functionality enabled and the exported files contain unescaped formula characters (=, +, -, @) originating from user-controlled input.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement output encoding/escaping for CSV exports by sanitizing formula-initiation characters (=, +, -, @, tab, carriage return) or prefixing cells with a single quote, and validate all data before export.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2022-40294 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-40294 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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