FAQ-000752 - Desktop Application Integration Security / JavaScript Bridge Security

Current Status:VALID_RESPONSEErrorUnable to AnswerSuggests Case

Current FAQ

Question
My components interact with a desktop application via a JavaScript bridge. What security considerations should I highlight in my submission?
Answer
When submitting components that interact with a desktop application via a JavaScript bridge, highlight the following security considerations: 1. **Sandboxing and Isolation**: Ensure JavaScript code is sandboxed to prevent interference with other components or applications. 2. **Static Resources**: Store JavaScript files in static resources within the Salesforce package and avoid dynamically loading them from third-party endpoints. 3. **Input Validation and Sanitization**: Validate and sanitize all inputs to prevent injection attacks or malicious code execution. 4. **Secure Communication**: Use HTTPS for data transmission and avoid unencrypted protocols like HTTP. 5. **Session Management**: Protect sensitive session information and ensure secure session data handling. 6. **CORS Policies**: Restrict access to trusted domains only and avoid wildcarding domains. 7. **Code Execution Context**: Ensure JavaScript executes within its proper origin and does not break out of its sandbox. 8. **Security Review Compliance**: Follow Salesforce security review guidelines, including avoiding unsafe attributes and ensuring proper encoding. These measures will help mitigate vulnerabilities and ensure secure interactions.
Enhancing FAQ...

Enhancing FAQ with AI recommendations...

AI Recommended Enhancement

Related Security Rules (click to view)
AvoidCreateElementScriptLinkTagLoadJavaScriptHtmlScriptLoadJavaScriptIncludeScriptAvoidJavaScriptInUrlsAvoidUnescapedHtmlInAuraApexXSSFromEscapeFalseApexXSSFromURLParamApexInsecureEndpointAvoidInsecureHttpRemoteSiteSettingAvoidDisableProtocolSecurityRemoteSiteSetting
Question
My components interact with a desktop application via a JavaScript bridge. What security considerations should I highlight in my submission?
Recommended Answer Update
When submitting components that interact with a desktop application via a JavaScript bridge, highlight these security considerations: 1. **Sandboxing and Isolation**: Ensure JavaScript code is sandboxed to prevent interference with other components or applications. 2. **Static Resources**: Store JavaScript files in static resources within the Salesforce package and avoid dynamically loading them from third-party endpoints. 3. **Input Validation and Sanitization**: Validate and sanitize all inputs to prevent injection attacks or malicious code execution. 4. **Secure Communication**: Use HTTPS for data transmission and avoid unencrypted protocols like HTTP. 5. **Session Management**: Protect sensitive session information and ensure secure session data handling. 6. **CORS Policies**: Restrict access to trusted domains only and avoid wildcarding domains. 7. **Code Execution Context**: Ensure JavaScript executes within its proper origin and doesn't break out of its sandbox. 8. **Security Review Compliance**: Follow Salesforce security review guidelines, including avoiding unsafe attributes and ensuring proper encoding. These measures help mitigate vulnerabilities and ensure secure interactions.
Reasoning
The FAQ content is accurate and comprehensive. I made minor improvements to make the language more conversational and direct per the writing guidelines: changed 'and does not break' to 'and doesn't break' for contraction use, changed 'will help mitigate' to 'help mitigate' for conciseness, and added 'these' to the opening line for better flow. I selected security rules that directly relate to JavaScript bridge security concerns discussed in the FAQ: AvoidCreateElementScriptLinkTag relates to point 2 about static resources and avoiding dynamic script loading; LoadJavaScriptHtmlScript and LoadJavaScriptIncludeScript relate to point 2 about proper JavaScript file management; AvoidJavaScriptInUrls relates to point 7 about code execution context; AvoidUnescapedHtmlInAura, ApexXSSFromEscapeFalse, and ApexXSSFromURLParam relate to point 3 about input validation and point 8 about proper encoding; ApexInsecureEndpoint, AvoidInsecureHttpRemoteSiteSetting, and AvoidDisableProtocolSecurityRemoteSiteSetting relate to point 4 about secure HTTPS communication.
Reasoning References