CVE-2026-3367— Lockme OAuth2 calendars integration <= 2.11.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'App ID' Setting
Possible ATT&CK Techniques 3AI
T1505 · Server Software Component T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| lustmored | Lockme calendars integration | ≤ 2.11.0 | affected |
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-3367
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Lockme OAuth2 calendars integration <= 2.11.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'App ID' Setting
Source: CVE Program / CVE List V5
Vulnerability Description
The Lockme OAuth2 calendars integration plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'App ID' setting in all versions up to, and including, 2.11.0. This is due to insufficient input sanitization and output escaping. The register_setting() call on line 197 lacks a sanitize callback, allowing unsanitized data to be stored via update_option(). When the settings page is rendered, the stored value is echoed directly into an HTML input's value attribute without esc_attr() on line 212. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in the settings page that will execute whenever a user accesses the plugin settings page. Multiple fields are affected: App ID (client_id), App Secret (client_secret), Bookings ID prefix (id_prefix), and API domain (api_domain). This vulnerability is particularly impactful in WordPress multisite installations where administrators of individual sites should not be able to execute JavaScript affecting other users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Lockme calendars integration 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Lockme calendars integration是WordPress基金会的一款日历集成组件。 WordPress Lockme calendars integration 2.11.0及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不充分，导致容易受到存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| lustmored | Lockme calendars integration | 0 ~ 2.11.0 | - |
II. Public POCs for CVE-2026-3367
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-3367
请登录查看更多情报信息。
Patches & Fixes for CVE-2026-3367 (7)
Vendor Advisories for CVE-2026-3367 (1)
Vendor Pages for CVE-2026-3367 (1)
Other References for CVE-2026-3367 (1)
IV. Related Vulnerabilities
Same weakness: CWE-79
- CVE-2026-15425
Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Sit - CVE-2026-57531
Milkdown < 7.21.3 DOM XSS via innerHTML Assignment - CVE-2026-57530
Milkdown < 7.21.3 Stored XSS via javascript: URL in link hre - CVE-2026-8308
Reflected XSS Polen Media's Website Template - CVE-2026-55730
Loytec LWEB802: Reflected Cross-Site Scripting in LWEB802
V. Comments for CVE-2026-3367
No comments yet