Cookie notice plugins look “simple”, but they are security-relevant because they influence front-end script execution, store site-wide consent settings, and often expose customization fields that end up rendered for every visitor. If access control, request integrity, or output handling is weak, attackers can aim for stored/reflected XSS in banner content, CSRF-driven settings changes (silently altering consent behavior), or information exposure through misprotected endpoints and diagnostics. Cookie Notice & Compliance for GDPR / CCPA version 2.5.13 has successfully completed the CleanTalk Plugin Security Certification process and received PSC-2026-64624, confirming that the plugin was reviewed from a secure code perspective with attention to the most common exploitation paths for cookie notice and consent-management plugins.

Name of	Cookie Notice & Compliance for GDPR / CCPA
Version	2.5.13
Active installations	900,000+
Description	Cookie Notice provides a simple, customizable website banner to help websites meet cookie consent requirements under GDPR and CCPA, with optional integration to Cookie Compliance.
Security	Successfully tested for: SQL Injection (SQLi) Cross-Site Scripting (XSS) – Stored & Reflected Cross-Site Request Forgery (CSRF) Authentication Vulnerabilities Authentication Bypass Exploits Privilege Escalation Buffer Overflow Denial-of-Service (DoS) vectors Data Leakage Vulnerabilities Insecure Dependency Usage Remote Code Execution (RCE) Risks Unauthorized File Access Insufficient Injection Protection Information Disclosure via Misconfigured Endpoints
CleanTalk Certification	Proudly earned the “Plugin Security Certification” (PSC) from CleanTalk, indicating adherence to stringent security standards.
Additional Information	Site owners can implement cookie notice workflows with the assurance of the “Plugin Security Certification” (PSC). As a best practice, limit access to consent configuration to trusted administrators and periodically review banner content and consent behavior after theme/plugin changes.
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PSC by Cleantalk

Key Features

Cookie Notice & Compliance for GDPR / CCPA provides a lightweight banner workflow to inform visitors about cookie usage and capture basic consent behavior. It supports practical banner controls such as a customizable notice message, different consent interactions (for example consent on click/scroll/close), configurable cookie expiry, and a link to the Privacy Policy page with WordPress privacy policy synchronization. It is also built to fit real-world multilingual sites through compatibility with translation plugins like WPML and Polylang, and it is designed to remain SEO-friendly while displaying the notice. For teams that need more advanced compliance behavior, the plugin can integrate with Cookie Compliance to extend consent management capabilities. From a security standpoint, these features matter because they involve front-end rendering, global settings that affect every visitor, and optional integration logic that can surface diagnostics or configuration state in admin screens.

Security Assurance

The CleanTalk Plugin Security Certification evaluation for cookie notice and consent plugins focuses on attacker models that target injection surfaces and configuration integrity. Common abuse patterns include attempting to inject JavaScript into banner text, button labels, or related content that gets rendered site-wide (stored/reflected XSS), forcing configuration changes via CSRF against administrators (changing consent behavior, links, or visibility rules), and probing AJAX/REST-style handlers for information disclosure (settings, environment hints, integration status). The review validates that administrative functionality is restricted to appropriate roles via consistent capability checks, that state-changing requests are protected with nonce/CSRF defenses, and that any user-controlled values that are rendered into HTML are output-encoded appropriately. Because these plugins can influence how scripts and tracking are applied on the front end (especially when integrated with broader compliance features), the review also considers safe endpoint exposure and avoidance of overly verbose diagnostics that could leak sensitive operational details.

The plugin has been successfully tested for:

✅ Information Leakage Vulnerabilities

✅ SQL Injection Vulnerabilities

✅ Cross-Site Scripting (XSS) Attacks

✅ Cross-Site Request Forgery (CSRF) Attacks

✅ Authentication & Authentication Bypass Vulnerabilities

✅ Privilege Escalation Vulnerabilities

✅ Buffer Overflow Vulnerabilities

✅ Denial-of-Service (DoS) Vulnerabilities

✅ Data Leakage Vulnerabilities

✅ Insecure Dependencies

✅ Code Execution Vulnerabilities

✅ File Unauthorized Access Vulnerabilities

✅ Insufficient Injection Protection

Conclusion

With PSC-2026-64624, Cookie Notice & Compliance for GDPR / CCPA version 2.5.13 demonstrates strong baseline security for the workflows that matter most in cookie notice plugins: safe administration of global consent settings, secure front-end rendering of banner content, and consistent protections against common WordPress vulnerability classes that target handlers, endpoints, and stored configuration. This certification helps site owners adopt a cookie notice banner with reduced risk that compliance UI becomes an unintended injection or configuration attack surface. As a best practice, keep consent configuration limited to trusted administrators, avoid placing untrusted HTML/scripts into banner content, and periodically validate banner behavior after major site changes or consent-policy updates.

Note: The date and certification information may change over time. It is advisable to verify the latest details on the plugin developer’s website.