CVE-2025-49442
BaseFortify
Publication date: 2025-06-06
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-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?
CVE-2025-49442 is a Stored Cross-Site Scripting (XSS) vulnerability in the WordPress Simple Nested Menu plugin (versions up to 1.0). It allows a malicious user with contributor-level privileges to inject malicious scripts into the website. These scripts can execute when visitors access the affected site, potentially causing redirects, displaying unwanted advertisements, or executing other harmful HTML payloads. [1]
How can this vulnerability impact me? :
This vulnerability can impact you by allowing attackers to execute malicious scripts on your website, which can lead to unauthorized redirects, display of unwanted content, or other malicious actions affecting your visitors. It poses a security risk as attackers can exploit it to compromise user interactions and potentially steal sensitive information. Since the plugin is abandoned and unpatched, the risk remains unless mitigated by virtual patching or plugin removal. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection of this vulnerability involves monitoring for malicious script injections in the WordPress Simple Nested Menu plugin, especially from users with contributor-level privileges. Since plugin-based malware scanners may be unreliable, it is recommended to use professional incident response services or hosting provider malware scanning to detect compromise. Specific commands are not provided in the available resources. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include removing and replacing the vulnerable Simple Nested Menu plugin with an alternative, as no official patch is available and the plugin is abandoned. Applying a virtual patch (vPatch) provided by Patchstack can also auto-mitigate the vulnerability without performance loss. Deactivating the plugin alone does not eliminate the risk. [1]