CVE-2025-49878
BaseFortify
Publication date: 2025-06-17
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?
This vulnerability is a Cross Site Scripting (XSS) issue in the WPAdverts WordPress plugin (versions up to 2.2.4). It allows attackers with contributor-level privileges to inject malicious scripts into web pages generated by the plugin. These scripts can execute in the browsers of visitors to the affected site, potentially causing redirects, displaying unwanted advertisements, or injecting other harmful HTML content. [1]
How can this vulnerability impact me? :
The impact of this vulnerability includes unauthorized execution of malicious scripts on your website, which can lead to visitor redirection to malicious sites, injection of unwanted advertisements or content, and potential compromise of user interactions. Although the severity is considered low due to the difficulty of exploitation and limited impact, it still poses a risk to site integrity and user trust. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection of this vulnerability involves checking if the WPAdverts plugin version is 2.2.4 or earlier, as these versions are vulnerable. Additionally, monitoring for unusual script injections or redirects on affected web pages can indicate exploitation. While no specific commands are provided, users are advised to perform server-side malware scanning and professional incident response if compromise is suspected. [1]
What immediate steps should I take to mitigate this vulnerability?
The immediate mitigation step is to update the WPAdverts plugin to version 2.2.5 or later, where the vulnerability is fixed. Alternatively, applying Patchstack's virtual patching (vPatching) can protect vulnerable installations before official patches are applied. It is also recommended to conduct professional incident response and server-side malware scanning if a site is suspected to be compromised. [1]