CVE-2025-52827
BaseFortify
Publication date: 2025-06-27
Last updated on: 2026-04-23
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
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-2025-52827 is a high-severity PHP Object Injection vulnerability in the WordPress Nuss theme (versions up to 1.3.3). It allows a malicious actor to inject objects into the application, potentially enabling code injection, SQL injection, path traversal, denial of service, and other attacks if a suitable PHP Object Injection POP chain is present. The vulnerability requires only subscriber-level privileges to exploit and is considered highly dangerous and likely to be widely exploited. [1]
How can this vulnerability impact me? :
This vulnerability can lead to severe impacts including unauthorized code execution, database compromise through SQL injection, file system access via path traversal, denial of service, and other malicious activities. Exploitation can compromise the confidentiality, integrity, and availability of the affected system, potentially leading to data breaches, service outages, and further exploitation. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection of this vulnerability involves monitoring for PHP Object Injection attack patterns targeting the Nuss theme up to version 1.3.3. Since the vulnerability requires subscriber-level privileges and exploits PHP Object Injection, you can look for unusual serialized PHP objects in HTTP requests or logs. Using server-side malware scanning tools or professional incident response services is recommended, as plugin-based malware scanners may be unreliable. Specific commands are not provided in the resources, but monitoring web server logs for suspicious POST requests containing serialized PHP objects or unusual payloads could help detect exploitation attempts. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include applying the virtual patch (vPatch) provided by Patchstack, which blocks attack attempts until an official fix is released. Since no official patch is currently available, applying this server-side virtual patch is the safest and most effective immediate action. Additionally, it is recommended to use server-side malware scanning or engage professional incident response services if compromise is suspected. Monitoring and restricting subscriber-level privileges may also help reduce risk. [1]