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Audit History

paypal-integration - 8 audits

Version comparison

Capability and finding changes across audited versions, newest first.

VersionDateResultReview itemsChange vs previous
v8 LatestJul 8, 2026, 01:01 PM 1 confirmed0No capability change
v7 Jul 8, 2026, 01:01 PM 1 confirmed0No capability change
v6 Jul 1, 2026, 01:17 AM No confirmed findings2No capability change
v5 Jul 1, 2026, 01:17 AM No confirmed findings2External commands
v4 Jan 17, 2026, 09:00 AM No confirmed findings0No capability change
v3 Jan 17, 2026, 09:00 AM No confirmed findings0No capability change
v2 Jan 4, 2026, 04:52 PM No confirmed findings0No capability change
v1 Jan 4, 2026, 04:52 PM No confirmed findings0Baseline

Jul 8, 2026, 01:01 PM

The static command-execution findings are Markdown code fences, not executable shell commands. The network findings are expected PayPal SDK, PayPal API, or merchant callback examples, and the reconnaissance hits are transaction field names. One semantic payment-logic issue was found: the IPN example verifies message origin but does not show amount, currency, recipient, and item validation before fulfillment.

1
Files scanned
468
Lines analyzed
3
Review items
0
False positives ignored

Confirmed security concerns (1)

Medium
Incomplete IPN Business Validation
The IPN handler verifies the message with PayPal, then routes completed payments to fulfillment. It does not show validation of amount, currency, receiver account, item, or expected order state before fulfillment.
The code verifies IPN origin and checks duplicate transaction IDs, but the fulfillment path lacks common PayPal business validation checks. This is a clear payment-integrity gap if copied into production.
Audited by: codex

Jul 8, 2026, 01:01 PM

The static command-execution findings are Markdown code fences, not executable shell commands. The network findings are expected PayPal SDK, PayPal API, or merchant callback examples, and the reconnaissance hits are transaction field names. One semantic payment-logic issue was found: the IPN example verifies message origin but does not show amount, currency, recipient, and item validation before fulfillment.

1
Files scanned
468
Lines analyzed
3
Review items
0
False positives ignored

Confirmed security concerns (1)

Medium
Incomplete IPN Business Validation
The IPN handler verifies the message with PayPal, then routes completed payments to fulfillment. It does not show validation of amount, currency, receiver account, item, or expected order state before fulfillment.
The code verifies IPN origin and checks duplicate transaction IDs, but the fulfillment path lacks common PayPal business validation checks. This is a clear payment-integrity gap if copied into production.
Audited by: codex

Jul 1, 2026, 01:17 AM

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.

1
Files scanned
468
Lines analyzed
4
Review items
3
False positives ignored
Capability review items (2)

These are real local capabilities that may be expected for this skill, so they require review but are not counted as confirmed malicious behavior.

Medium
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
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.
Static false positives ignored (3)

These static matches were dismissed by semantic review or matched schema-only tokens, so they are shown for transparency but do not drive the quality score.

Low
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
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
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.

Detected Patterns

Credentialed External Payment RequestsWebhook-Like Input Drives Business Actions
Audited by: codex

Jul 1, 2026, 01:17 AM

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.

1
Files scanned
468
Lines analyzed
4
Review items
3
False positives ignored
Capability review items (2)

These are real local capabilities that may be expected for this skill, so they require review but are not counted as confirmed malicious behavior.

Medium
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
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.
Static false positives ignored (3)

These static matches were dismissed by semantic review or matched schema-only tokens, so they are shown for transparency but do not drive the quality score.

Low
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
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
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.

Detected Patterns

Credentialed External Payment RequestsWebhook-Like Input Drives Business Actions
Audited by: codex

Jan 17, 2026, 09:00 AM

Documentation-only skill providing PayPal integration guidance. All static findings are false positives: 'C2 keywords' refers to PayPal credential variables (client_id, client_secret); 'weak cryptographic algorithm' are scanner artifacts; 'Ruby/shell backtick execution' are markdown code block delimiters. Network URLs are legitimate PayPal API endpoints expected in payment documentation.

2
Files scanned
669
Lines analyzed
1
Review items
0
False positives ignored

Risk Factors

Audited by: claude

Jan 17, 2026, 09:00 AM

Documentation-only skill providing PayPal integration guidance. All static findings are false positives: 'C2 keywords' refers to PayPal credential variables (client_id, client_secret); 'weak cryptographic algorithm' are scanner artifacts; 'Ruby/shell backtick execution' are markdown code block delimiters. Network URLs are legitimate PayPal API endpoints expected in payment documentation.

2
Files scanned
669
Lines analyzed
1
Review items
0
False positives ignored

Risk Factors

Audited by: claude

Jan 4, 2026, 04:52 PM

Documentation-only skill providing PayPal integration guidance with example code. Contains network request examples to PayPal APIs which is expected for payment processing documentation. No executable scripts, filesystem access, or external commands.

4
Files scanned
713
Lines analyzed
1
Review items
0
False positives ignored
Audited by: claude

Jan 4, 2026, 04:52 PM

Documentation-only skill providing PayPal integration guidance with example code. Contains network request examples to PayPal APIs which is expected for payment processing documentation. No executable scripts, filesystem access, or external commands.

4
Files scanned
713
Lines analyzed
1
Review items
0
False positives ignored
Audited by: claude