CVE-2022-40296
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 vulnerable to a Server-Side Request Forgery attacks, allowing the backend server to interact with unexpected endpoints, potentially including internal and local services, leading to attacks in other downstream systems.
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 · moderate confidenceThis is a Server-Side Request Forgery (SSRF) vulnerability where user-controlled input is used to determine the destination of server-side requests without proper validation. An attacker can abuse this to make the backend server connect to internal services, cloud metadata endpoints, or local infrastructure that should not be externally accessible.
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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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 the installed version of Php Point Of SaleCheck your application version by logging into the admin panel and navigating to the 'System' or 'Settings' section where version information is displayed. Alternatively, check the composer.json file or any version.php file in the application root directory.Affected if The installed version is exactly 19.0
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Locate features that accept URL inputSearch your codebase for functions that handle user-provided URLs, such as curl_exec, file_get_contents with URL parameters, or similar request-making functions. Look for form fields or API parameters that accept URLs as input.Affected if A feature exists that accepts URLs from user input and makes server-side requests to those URLs
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Verify if the vulnerable URL-handling feature is enabled and accessibleCheck if the identified URL-input feature is accessible to users through the web interface or API endpoints. Determine whether the feature requires authentication or is publicly exposed.Affected if The URL-handling feature is enabled and accessible to at least some users of the application
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Inspect application logs for suspicious outbound requestsReview web server access logs and application logs for any requests to internal IP addresses (127.0.0.1, 10.x.x.x, 192.168.x.x), cloud metadata endpoints (169.254.169.254), or other internal infrastructure that were initiated by the application server.Affected if The application has made or attempted to make requests to internal or metadata endpoints based on user-supplied URLs
You are affected if you are running Php Point Of Sale version 19.0 and have any feature exposed that accepts user-supplied URLs for server-side processing.
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 strict allowlist-based validation for URL inputs, disable unnecessary URL schemas (file://, gopher://, etc.), and ensure network segmentation prevents the application server from reaching internal services.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-40296 — 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-2022-40296 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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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