Common Weakness Enumeration
CWE-639
AllowedAuthorization Bypass Through User-Controlled Key
Abstraction: Base · Status: Incomplete
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
3244 vulnerabilities reference this CWE, most recent first.
CVE-2023-0882 (GCVE-0-2023-0882)
Vulnerability from cvelistv5 – Published: 2023-02-17 06:44 – Updated: 2026-06-01 11:58
VLAI
EPSS
VEX
Title
Authorization Bypass Through User-Controlled Key on Single Connect
Summary
Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect on Windows allows Privilege Abuse. This issue affects Single Connect: 2.16.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://docs.krontech.com/singleconnect-2-16/upda… | |
| https://www.usom.gov.tr/bildirim/tr-23-0092 | government-resourcebroken-link |
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kron Tech | Single Connect |
Affected:
2.16
|
Date Public
2023-02-17 07:00
Credits
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CVE-2023-0694 (GCVE-0-2023-0694)
Vulnerability from cvelistv5 – Published: 2023-06-09 05:33 – Updated: 2026-04-08 16:38
VLAI
EPSS
VEX
Title
Metform Elementor Contact Form Builder <= 3.3.1 - Authenticated (Subscriber+) Information Disclosure via mf shortcode
Summary
The Metform Elementor Contact Form Builder for WordPress is vulnerable to Information Disclosure via the 'mf' shortcode in versions up to, and including, 3.3.1. This allows authenticated attackers, with subscriber-level capabilities or above to obtain sensitive information about any standard form field of any form submission.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| roxnor | MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor |
Affected:
0 , ≤ 3.3.1
(semver)
|
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CVE-2023-0693 (GCVE-0-2023-0693)
Vulnerability from cvelistv5 – Published: 2023-06-09 05:33 – Updated: 2026-04-08 16:40
VLAI
EPSS
VEX
Title
Metform Elementor Contact Form Builder <= 3.3.1 - Authenticated (Subscriber+) Information Disclosure via 'mf_transaction_id' shortcode
Summary
The Metform Elementor Contact Form Builder for WordPress is vulnerable to Information Disclosure via the 'mf_transaction_id' shortcode in versions up to, and including, 3.3.1. This allows authenticated attackers, with subscriber-level capabilities or above to obtain sensitive information about the transaction ids of arbitrary form submissions that included payment.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| roxnor | MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor |
Affected:
0 , ≤ 3.3.1
(semver)
|
Credits
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CVE-2023-0692 (GCVE-0-2023-0692)
Vulnerability from cvelistv5 – Published: 2023-06-09 05:33 – Updated: 2026-04-08 17:28
VLAI
EPSS
VEX
Title
Metform Elementor Contact Form Builder <= 3.3.1 - Authenticated (Subscriber+) Information Disclosure via 'mf_payment_status' shortcode
Summary
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Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| roxnor | MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor |
Affected:
0 , ≤ 3.3.1
(semver)
|
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CVE-2023-0691 (GCVE-0-2023-0691)
Vulnerability from cvelistv5 – Published: 2023-06-09 05:33 – Updated: 2026-04-08 17:06
VLAI
EPSS
VEX
Title
Metform Elementor Contact Form Builder <= 3.3.1 - Authenticated (Subscriber+) Information Disclosure via mf_last_name shortcode
Summary
The Metform Elementor Contact Form Builder for WordPress is vulnerable to Information Disclosure via the 'mf_last_name' shortcode in versions up to, and including, 3.3.1. This allows authenticated attackers, with subscriber-level capabilities or above to obtain sensitive information about arbitrary form submissions, specifically the submitter's last name.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| roxnor | MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor |
Affected:
0 , ≤ 3.3.1
(semver)
|
Credits
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CVE-2023-0689 (GCVE-0-2023-0689)
Vulnerability from cvelistv5 – Published: 2023-08-31 05:33 – Updated: 2026-04-08 16:45
VLAI
EPSS
VEX
Title
Metform Elementor Contact Form Builder <= 3.3.1 - Authenticated (Subscriber+) Information Disclosure via 'mf_first_name' shortcode
Summary
The Metform Elementor Contact Form Builder for WordPress is vulnerable to Information Disclosure via the 'mf_first_name' shortcode in versions up to, and including, 3.3.1. This allows authenticated attackers, with subscriber-level capabilities or above to obtain sensitive information about arbitrary form submissions, including the submitter's first name.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| roxnor | MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor |
Affected:
0 , ≤ 3.3.1
(semver)
|
Credits
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CVE-2023-0688 (GCVE-0-2023-0688)
Vulnerability from cvelistv5 – Published: 2023-06-09 05:33 – Updated: 2026-04-08 17:03
VLAI
EPSS
VEX
Title
Metform Elementor Contact Form Builder <= 3.3.1 - Authenticated (Subscriber+) Information Disclosure via mf_thankyou shortcode
Summary
The Metform Elementor Contact Form Builder for WordPress is vulnerable to Information Disclosure via the 'mf_thankyou' shortcode in versions up to, and including, 3.3.1. This allows authenticated attackers, with subscriber-level capabilities or above to obtain sensitive information about form submissions, including payment status, and transaction ID.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| roxnor | MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor |
Affected:
0 , ≤ 3.3.1
(semver)
|
Credits
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CVE-2023-0558 (GCVE-0-2023-0558)
Vulnerability from cvelistv5 – Published: 2023-01-27 21:09 – Updated: 2026-04-08 17:20
VLAI
EPSS
VEX
Title
ContentStudio <= 1.2.5 - Authorization Bypass
Summary
The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to an unsecure token check that is susceptible to type juggling in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to execute functions intended for use by users with proper API keys.
Severity
8.2 (High)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| contentstudio | ContentStudio |
Affected:
0 , ≤ 1.2.5
(semver)
|
Credits
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CVE-2023-0550 (GCVE-0-2023-0550)
Vulnerability from cvelistv5 – Published: 2023-01-27 20:17 – Updated: 2026-04-08 17:34
VLAI
EPSS
VEX
Title
Quick Restaurant Menu <= 2.0.2 - Insecure Direct Object Reference
Summary
The Quick Restaurant Menu plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 2.0.2. This is due to the fact that during menu item deletion/modification, the plugin does not verify that the post ID provided to the AJAX action is indeed a menu item. This makes it possible for authenticated attackers, with subscriber-level access or higher, to modify or delete arbitrary posts.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alejandropascual | Quick Restaurant Menu |
Affected:
0 , ≤ 2.0.2
(semver)
|
Credits
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CVE-2022-46179 (GCVE-0-2022-46179)
Vulnerability from cvelistv5 – Published: 2022-12-28 07:00 – Updated: 2025-04-14 16:20
VLAI
EPSS
VEX
Title
LiuOS vulnerable to Authorization Bypass through User-Controlled Key
Summary
LiuOS is a small Python project meant to imitate the functions of a regular operating system. Version 0.1.0 and prior of LiuOS allow an attacker to set the GITHUB_ACTIONS environment variable to anything other than null or true and skip authentication checks. This issue is patched in the latest commit (c658b4f3e57258acf5f6207a90c2f2169698ae22) by requiring the var to be set to true, causing a test script to run instead of being able to login. A potential workaround is to check for the GITHUB_ACTIONS environment variable and set it to "" (no quotes) to null the variable and force credential checks.
Severity
9.2 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/LiuWoodsCode/LiuOS/security/ad… | x_refsource_CONFIRM |
| https://github.com/LiuWoodsCode/LiuOS/commit/c658… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| LiuWoodsCode | LiuOS |
Affected:
<= 0.1.0
|
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Mitigation
Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Mitigation
Architecture and Design
Implementation
Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Mitigation
Architecture and Design
Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.
No CAPEC attack patterns related to this CWE.