CVE-2026-32509
Deserialization Object Injection in Gracey Theme Allows Code Execution
Publication date: 2026-03-25
Last updated on: 2026-04-29
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gracey | gracey | to 1.4 (exc) |
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)?:
The vulnerability CVE-2026-32509 allows unauthenticated attackers to perform critical exploits such as code injection, SQL injection, path traversal, and denial of service on affected WordPress Gracey Theme versions prior to 1.4.
Such exploits could potentially lead to unauthorized access, data breaches, or manipulation of sensitive data, which may impact compliance with common standards and regulations like GDPR and HIPAA that require protection of personal and sensitive information.
Therefore, failure to patch this vulnerability or mitigate its exploitation could result in non-compliance with these regulations due to increased risk of data compromise.
Can you explain this vulnerability to me?
CVE-2026-32509 is a medium severity PHP Object Injection vulnerability found in the WordPress Gracey Theme versions prior to 1.4. It allows unauthenticated attackers to perform object injection by exploiting deserialization of untrusted data. This can lead to various malicious actions such as code injection, SQL injection, path traversal, and denial of service, if a suitable Property Oriented Programming (POP) chain is available.
The vulnerability does not require any privileges to exploit, making it easier for attackers to target websites using the affected theme. It falls under the OWASP Top 10 category A3: Injection.
How can this vulnerability impact me? :
This vulnerability can have serious impacts including unauthorized code execution, database manipulation through SQL injection, unauthorized file access via path traversal, and denial of service attacks. Because it can be exploited without authentication, attackers can launch mass campaigns targeting many websites using the vulnerable Gracey Theme, regardless of their traffic or popularity.
If exploited, it could compromise the integrity, availability, and confidentiality of your website and its data.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
The vulnerability CVE-2026-32509 affects WordPress Gracey Theme versions prior to 1.4 and involves PHP Object Injection. Detection can focus on identifying the use of vulnerable theme versions and monitoring for exploitation attempts.
- Check the installed version of the Gracey theme to confirm if it is below 1.4.
- Use WordPress CLI commands such as `wp theme list` to list installed themes and their versions.
- Monitor web server logs for suspicious requests that may indicate exploitation attempts, such as unusual POST requests or payloads attempting object injection.
- Apply Patchstack’s mitigation rule which can help detect and block attacks exploiting this vulnerability.
What immediate steps should I take to mitigate this vulnerability?
To mitigate CVE-2026-32509, immediate action is required to prevent exploitation of the PHP Object Injection vulnerability in the Gracey WordPress theme.
- Update the Gracey theme to version 1.4 or later, which contains the patch for this vulnerability.
- Apply the mitigation rule provided by Patchstack to block attacks targeting this vulnerability until the theme is updated.
- Monitor your website for any suspicious activity or signs of exploitation.