CVE-2025-49881
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 Stored Cross-Site Scripting (XSS) issue in the WordPress Responsive Blocks plugin (versions up to 2.0.5). It allows attackers with contributor-level privileges to inject malicious scripts into web pages generated by the plugin. These scripts can execute when visitors access the affected website, potentially causing redirects, displaying unwanted advertisements, or executing other harmful HTML payloads. [1]
How can this vulnerability impact me? :
The vulnerability can lead to attackers injecting malicious scripts that execute in the browsers of visitors to the affected website. This can result in unwanted redirects, display of malicious advertisements, or other harmful actions. Although the impact is considered low severity with a CVSS score of 6.5, exploitation can compromise user experience and potentially lead to further attacks. It requires only contributor-level privileges to exploit, so sites with multiple contributors are at risk. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection of this vulnerability involves checking the version of the WordPress Responsive Blocks plugin installed on your system. If the version is up to and including 2.0.5, it is vulnerable. There are no specific commands provided for detection in the resources. However, professional incident response or server-side malware scanning is recommended if compromise is suspected, as plugin-based scanners may be unreliable due to potential tampering. [1]
What immediate steps should I take to mitigate this vulnerability?
The immediate step to mitigate this vulnerability is to update the WordPress Responsive Blocks plugin to version 2.0.6 or later, where the issue is fixed. Alternatively, Patchstack offers virtual patching (vPatching) that can auto-mitigate the vulnerability before official patches are applied, providing rapid protection. [1]