Event Registration <= 6.02.02 - PHP Object Injection
The Event Registration plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 6.02.02 via deserialization of untrusted input from the 'reg_form' or 'questions' parameter. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| WordPress plugin | Event Registration | <= 6.02.02 | 6.03.01 |
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-502- Platform
- WordPress
- Package
Event Registration- Disclosed
- 09.05.2016
- Updated
- 11.10.2026 10:22
Sources and licenses
Wordfence Intelligence - 2c5bb593-59b5-4760-8d54-14d7665c7e7f - Wordfence Intelligence
Copyright 2012-2026 Defiant Inc.
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Vulnerability history: Event Registration
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
- 4
- First → latest
- 11.2010 05.2016
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- 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: 4
-
Event Registration <= 6.02.02 - PHP Object Injection this entry
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