CVE-2026-22451
Deserialization Object Injection in AncoraThemes Handyman
Publication date: 2026-03-05
Last updated on: 2026-04-01
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ancorathemes | handyman | to 1.4 (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-2026-22451 is a high-priority PHP Object Injection vulnerability found in the WordPress Handyman Theme versions up to and including 1.4. It allows unauthenticated attackers to inject malicious PHP objects through deserialization of untrusted data. This can lead to severe security issues such as remote code execution, SQL injection, path traversal, denial of service, and other attacks if a suitable Property Oriented Programming (POP) chain is available.
How can this vulnerability impact me? :
This vulnerability can have serious impacts including allowing attackers to execute arbitrary code remotely, perform SQL injection attacks, traverse file paths to access sensitive files, cause denial of service, and potentially other malicious activities. Since it requires no authentication, any attacker can exploit it, putting your website and data at significant risk.
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?
There is no specific information provided about commands or methods to detect this vulnerability on your network or system.
What immediate steps should I take to mitigate this vulnerability?
Since no official patch is available yet for CVE-2026-22451, immediate mitigation involves applying the mitigation rule issued by Patchstack to block attacks targeting this flaw.
Users are strongly advised to apply this mitigation immediately to protect their WordPress websites using the Handyman Theme versions up to and including 1.4.