Versioned security assessment

Report ID: SA-3B9D61BE

7/1/2026, 1:17:05 AM

paypal-integration security assessment v5

Skill Security Certification Report

Audit History
Audit model: codex Historical report
Skill name
paypal-integration
Version
v5
Maintainer
wshobson
Source
github.com/wshobson/agents/tree/main/plugins/payment-processing/skills/paypal-integration
Coverage
1 Files scanned · 468 Lines analyzed
Policy version
Unavailable

Confirmed finding summary

No confirmed security findings

The completed audit recorded no confirmed security findings. This is not proof that the Skill has no side effects.

Installation context

Historical evidence

This report may not describe the currently installable artifact. Open the current Skill page for install guidance.

Open current Skill page

This report does not block or authorize the manifest or ZIP.

Static command-execution and weak-crypto alerts are false positives from Markdown fences and payment-related wording. The network findings are true positives because the guide includes PayPal API and IPN request examples, but they align with the skill purpose and do not show exfiltration or prompt injection. Risk remains medium because the examples handle financial transactions and require production validation, timeout handling, and credential controls.

Report position

Historical report

Open audit history before using this report to install.

Audit attestation

Not attestable

The required immutable binding is incomplete.

Human verification

Not verified

No human verification is recorded for this report.

Coverage

1 Files scanned · 468 Lines analyzed

2 items shown for review

Limitations

This report does not claim runtime or sandbox execution and does not prove the absence of side effects.

Evidence chain

Follow the evidence from source binding to the install contract. Available evidence supports verification; it is not a safety guarantee.

  1. Source

    Binding unavailable

  2. Artifact

    Identity incomplete

  3. Audit

    Complete

  4. Install contract

    Open manifest to verify

    Open manifest

Capabilities observed

Observed means this report recorded supporting evidence. Not recorded does not prove that a capability is absent.

Contains scripts

May execute code included with the Skill.

Not recorded by this audit

Network access

May connect to external services.

Observed in 13 evidence locations

Filesystem access

May read or write local files.

Not recorded by this audit

Env variables

May read values from the process environment.

Not recorded by this audit

External commands

May invoke commands or programs outside the Skill.

Observed in 8 evidence locations

Capability review items (2)
Medium
SKILL.md:59SKILL.md:129-137SKILL.md:164-185SKILL.md:311-335SKILL.md:370-382
PayPal API Network Calls in Sample Code
The network findings are true positives. The skill shows requests to PayPal SDK, OAuth, checkout, subscriptions, IPN, and refund endpoints. This is expected for a PayPal integration guide, but generated code can move money or expose credentials if users apply it without review.
The code directly imports HTTP libraries and calls PayPal endpoints. The endpoints match the skill purpose, so this is a legitimate but security-sensitive network capability.
Medium
SKILL.md:222-233SKILL.md:235-265
Payment Notification Handling Needs Production Validation
The IPN example verifies messages with PayPal, but the surrounding processing does not show receiver, amount, currency, order ownership, or full transaction state checks. This can lead to business logic errors if copied into production without additional validation.
The example clearly processes completed, refunded, and reversed payments after PayPal echo verification. No evidence of malicious intent exists, but important production authorization checks are absent from the displayed flow.

Risk findings

Confirmed security concerns are separated from items that still need review.

No confirmed security findings were recorded for this completed audit.

Expert evidence

Immutable subject identity, scanner metadata, dismissed matches, and source-level evidence.

Artifact subject

Marketplace commit
Unavailable
Content hash
Unavailable
Tree hash
Unavailable
Skill path
Unavailable
Audit payload hash
Unavailable

Analysis metadata

Audit model: codex

Analysis state: Complete

Scope is limited to the recorded files, lines, methods, and evidence. No runtime or sandbox execution is claimed.

Static false positives ignored (3)
Low
SKILL.md:55SKILL.md:86-88SKILL.md:116-121SKILL.md:187-192SKILL.md:266-271SKILL.md:345-349SKILL.md:384-388SKILL.md:411-415
Markdown Code Fences Misidentified as Shell Backticks
The external command findings are false positives. The cited backticks open and close Markdown code examples for JavaScript and Python, not Ruby backtick execution or shell invocation.
Each cited location is a Markdown fence delimiter around static examples. No shell command execution syntax is present at those locations.
Low
SKILL.md:3
Weak Cryptography Alert Is a Textual False Positive
The weak cryptographic algorithm finding at the description line is a false positive. The line describes PayPal payment processing and contains no cryptographic algorithm or implementation.
The cited line is frontmatter text about payment processing. I found no evidence of weak cryptographic code at that location.
Low
SKILL.md:127SKILL.md:237SKILL.md:253SKILL.md:261
System Reconnaissance Alerts Are Data Field False Positives
The reconnaissance findings are false positives. The cited lines store PayPal credentials passed into a client or read transaction fields from notification data; they do not inspect the host system.
The cited variables are PayPal client and transaction identifiers in sample code. No host enumeration, OS commands, or environment probing appears at those lines.

Verify and export

JSON report CITATION.cff SARIF 2.1.0 Signed installation manifest

The manifest and lockfile bind install artifacts to cryptographic hashes. This integrity claim is separate from the security assessment.

Audit attestation: not_attestable