CVE-2026-22474
Deserialization Object Injection in ThemeREX Equestrian Centre
Publication date: 2026-03-05
Last updated on: 2026-03-09
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| themerex | equestrian_centre | to 1.5 (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
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
Can you explain this vulnerability to me?
CVE-2026-22474 is a high-priority PHP Object Injection vulnerability found in the WordPress Equestrian Centre Theme versions up to and including 1.5. It allows unauthenticated attackers to inject malicious PHP objects into the application.
This vulnerability arises from deserialization of untrusted data, which can be exploited to perform various attacks if a suitable PHP Object Injection POP chain is used.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to severe consequences including remote code execution, SQL injection, path traversal, denial of service, and other attacks.
Because the vulnerability requires no privileges to exploit, attackers can compromise affected websites without authentication.
No official patch is currently available, so users must apply mitigation rules provided by Patchstack to protect their sites.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
There is no specific detection command or method provided for this vulnerability in the available resources.
However, since the vulnerability involves PHP Object Injection in the WordPress Equestrian Centre Theme versions up to 1.5, monitoring for unusual PHP object deserialization attempts or suspicious HTTP requests targeting this theme could help in detection.
Applying web application firewall (WAF) rules, such as the mitigation rule issued by Patchstack, can also help detect and block exploitation attempts.
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include applying the Patchstack mitigation rule designed to block attacks targeting this PHP Object Injection vulnerability.
Since no official patch is currently available, users are strongly advised to implement these mitigations immediately to protect their websites.
Additionally, monitoring and restricting access to the vulnerable theme and considering disabling or replacing the Equestrian Centre theme version 1.5 or below can reduce risk.