CVE-2025-12033
BaseFortify
Publication date: 2025-10-22
Last updated on: 2025-10-22
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordfence | simple_banner | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Simple Banner WordPress plugin (up to version 3.0.10). It occurs via the 'pro_version_activation_code' parameter due to insufficient input sanitization and output escaping. Authenticated attackers with administrator-level access can inject arbitrary web scripts that execute whenever a user accesses the injected page. This affects only multi-site installations and installations where unfiltered_html is disabled.
How can this vulnerability impact me? :
This vulnerability can allow an attacker with admin access to inject malicious scripts into the website pages, which will execute in the context of users visiting those pages. This can lead to theft of sensitive information, session hijacking, or other malicious actions performed on behalf of users without their consent.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify how this vulnerability directly affects compliance with standards like GDPR or HIPAA.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by checking if the WordPress installation uses the Simple Banner plugin version 3.0.10 or earlier on a multi-site setup or where unfiltered_html is disabled. Since the vulnerability involves stored Cross-Site Scripting via the 'pro_version_activation_code' parameter, detection involves verifying if this parameter is being used maliciously. However, no specific detection commands or network scanning tools are provided in the available resources.
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include updating the Simple Banner plugin to version 3.1.0 or later, which includes multiple improvements and presumably fixes related to the vulnerability. Additionally, restricting administrator-level access and ensuring that unfiltered_html is enabled or carefully managed can reduce risk. Since the vulnerability requires administrator-level access to exploit, limiting such privileges is important. [2]