CVE-2025-49321
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
| Vendor | Product | Version / Range |
|---|---|---|
| themewinter | eventin | to 4.0.29 (exc) |
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 WordPress Eventin plugin up to version 4.0.28. It allows unauthenticated attackers to inject malicious scripts, such as redirects, advertisements, or other HTML payloads, into websites using the plugin. These scripts execute when visitors access the affected site, potentially compromising user interactions. [1]
How can this vulnerability impact me? :
The vulnerability can lead to attackers injecting malicious scripts that execute in the browsers of site visitors. This can result in unauthorized redirects, display of unwanted advertisements, theft of user data, session hijacking, or other malicious activities. It poses a risk to both website owners and their users by compromising site integrity and user security. [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 Eventin plugin on your WordPress site. Since attackers inject scripts that execute when visitors access the site, inspecting HTTP requests and responses for suspicious payloads targeting the plugin is useful. Additionally, using server-side malware scanning or professional incident response services is recommended, as plugin-based malware scanners may be unreliable due to possible tampering. Specific commands are not provided in the resources. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include updating the Eventin plugin to version 4.0.29 or later, where the vulnerability is fixed. Until the update can be applied, users should deploy the Patchstack virtual patch (vPatch), which automatically blocks attacks exploiting this vulnerability without performance loss. Additionally, consider professional incident response or server-side malware scanning if compromise is suspected. [1]