CVE-2026-23549
Object Injection Vulnerability in WpEvently Plugin
Publication date: 2026-02-19
Last updated on: 2026-02-19
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| magepeople | wp_evently | to 5.1.1 (inc) |
| magepeopleteam | wp_evently | to 5.1.1 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-23549 is a high-priority PHP Object Injection vulnerability in the WordPress WpEvently plugin versions up to and including 5.1.1.
This vulnerability allows unauthenticated attackers to perform PHP Object Injection by exploiting deserialization of untrusted data.
If a suitable Property Oriented Programming (POP) chain is available, attackers can leverage this to execute code injection, SQL injection, path traversal, denial of service, and other severe impacts.
How can this vulnerability impact me? :
This vulnerability can have severe impacts including unauthorized code execution, SQL injection, path traversal, and denial of service attacks.
An attacker does not need to be authenticated to exploit this vulnerability, increasing the risk of compromise.
Successful exploitation could lead to full system compromise, data breaches, or service outages.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
The provided resources do not include specific commands or methods to detect this vulnerability on your network or system.
What immediate steps should I take to mitigate this vulnerability?
[{'type': 'paragraph', 'content': 'To mitigate the CVE-2026-23549 vulnerability, users should immediately update the WpEvently plugin to version 5.1.2 or later, where the issue has been patched.'}, {'type': 'paragraph', 'content': "Until the update can be applied, users can use Patchstack's mitigation rules to block attacks targeting this vulnerability."}, {'type': 'paragraph', 'content': 'Additionally, Patchstack offers automatic updates for vulnerable plugins and continuous protection through its security platform, which can help in ongoing mitigation.'}] [1]