Custom Content Type Manager 0.9.8.7 - 0.9.8.8 - Malicious Backdoor
The Custom Content Type Manager plugin for WordPress was injected with a malicious backdoor in versions 0.9.8.7 to 0.9.8.8 that made it possible for attackers to gain access to the server to run code by installing malicious PHP files via the added auto-update.php file.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| WordPress plugin | Custom Content Type Manager | >= 0.9.8.7, <= 0.9.8.8 | 0.9.8.9 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-434- Platform
- WordPress
- Package
Custom Content Type Manager- Disclosed
- 04.03.2016
- Updated
- 11.10.2026 10:23
Sources and licenses
Wordfence Intelligence - f1b6fe67-cbd8-438f-8e06-d0f25eddc81a - Wordfence Intelligence
Copyright 2012-2026 Defiant Inc.
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Copyright 2012-2026 Defiant Inc.
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https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/Wordfence Intelligence
Wordfence Intelligence - Defiant, Inc. Copyright Defiant, Inc. All rights reserved except as granted below. License grant, section 3.1 of the Wordfence Intelligence Terms and Conditions (January 26, 2026): Subject to this Agreement, Company hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute the Service. Any copy you make for such purposes is authorized provided that you reproduce Company’s copyright designation, this license, and the license of any disclosed Company licensor in any such copy. Full applicable Agreement: https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/
Vulnerability history: Custom Content Type Manager
All published vulnerabilities of this package (WordPress plugin), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 05.2015 03.2016
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
Disclosures per year
- 2017: 0
- 2018: 0
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
earlier: 2
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Custom Content Type Manager 0.9.8.7 - 0.9.8.8 - Malicious Backdoor this entry
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