# PHP rules

Each rule includes the following information.

* **Rule Name**: The Snyk name of the rule.
* **CWE(s):** The [CWE numbers](https://cwe.mitre.org/) that are covered by this rule.
* **Security Categories**: The [OWASP Top 10 ](https://owasp.org/Top10/)(2021 edition) category to which the rule belongs to, if any, and if it is included in [SANS 25](https://www.sans.org/top25-software-errors/).
* **Autofixable**: Security rules that are autofixable by Snyk Agent Fix. This information is included only for the supported programming languages.

| Rule Name                                                    | CWE(s)           | Security Categories    | Autofixable |
| ------------------------------------------------------------ | ---------------- | ---------------------- | ----------- |
| Code Injection                                               | CWE-94           | Sans Top 25, OWASP:A03 | No          |
| Command Injection                                            | CWE-78           | Sans Top 25, OWASP:A03 | No          |
| Deserialization of Untrusted Data                            | CWE-502          | Sans Top 25, OWASP:A08 | No          |
| Improper Access Control: Email Content Injection             | CWE-284          | OWASP:A01              | No          |
| File Inclusion                                               | CWE-98           | OWASP:A03              | No          |
| Use of Hardcoded Credentials                                 | CWE-798, CWE-259 | Sans Top 25, OWASP:A07 | No          |
| Hardcoded Secret                                             | CWE-547          | OWASP:A05              | No          |
| Use of Hardcoded Passwords                                   | CWE-798, CWE-259 | Sans Top 25, OWASP:A07 | No          |
| Inadequate Padding for Public Key Encryption                 | CWE-326          | OWASP:A02              | No          |
| Use of a Broken or Risky Cryptographic Algorithm             | CWE-327          | OWASP:A02              | No          |
| Use of Password Hash With Insufficient Computational Effort  | CWE-916          | OWASP:A02              | No          |
| Use of Insufficiently Random Values                          | CWE-330          | OWASP:A02              | No          |
| Cross-site Scripting (XSS)                                   | CWE-79           | Sans Top 25, OWASP:A03 | No          |
| Allocation of Resources Without Limits or Throttling         | CWE-770          | None                   | No          |
| Open Redirect                                                | CWE-601          | OWASP:A01              | No          |
| Path Traversal                                               | CWE-23           | OWASP:A01              | No          |
| Information Exposure                                         | CWE-200          | OWASP:A01              | No          |
| SQL Injection                                                | CWE-89           | Sans Top 25, OWASP:A03 | No          |
| Server-Side Request Forgery (SSRF)                           | CWE-918          | Sans Top 25, OWASP:A10 | No          |
| Origin Validation Error                                      | CWE-942, CWE-346 | OWASP:A05, OWASP:A07   | No          |
| Improper Restriction of Rendered UI Layers or Frames         | CWE-1021         | OWASP:A04              | No          |
| Inadequate Encryption Strength                               | CWE-326          | OWASP:A02              | No          |
| Sensitive Cookie Without 'HttpOnly' Flag                     | CWE-1004         | OWASP:A05              | No          |
| Sensitive Cookie in HTTPS Session Without 'Secure' Attribute | CWE-614          | OWASP:A05              | No          |
| XPath Injection                                              | CWE-643          | OWASP:A03              | No          |
| XML External Entity (XXE) Injection                          | CWE-611          | OWASP:A05              | No          |
| Arbitrary File Write via Archive Extraction (Zip Slip)       | CWE-22           | Sans Top 25, OWASP:A01 | No          |
| Regular Expression Denial of Service (ReDoS)                 | CWE-400          | None                   | No          |


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.snyk.io/scan-with-snyk/snyk-code/snyk-code-security-rules/php-rules.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.