CVE-2026-3075
Information Exposure in Simple Ajax Chat Allows Sensitive Data Retrieval
Publication date: 2026-02-23
Last updated on: 2026-02-27
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| jeff_starr | simple_ajax_chat | to 20251121 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-497 | The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-3075 is a Sensitive Data Exposure vulnerability in the WordPress Simple Ajax Chat Plugin versions up to and including 20251121.
It allows unauthenticated attackers to access sensitive information that is normally restricted, potentially enabling further exploitation of other system weaknesses.
This vulnerability affects users running web servers other than Apache, such as nginx or IIS.
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized exposure of sensitive system information.
This exposure may allow attackers to gain insights into the system that could be used to exploit other vulnerabilities.
However, the vulnerability is considered low severity with a CVSS score of 5.3, and no impactful threat is expected according to Patchstack.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
CVE-2026-3075 is a Sensitive Data Exposure vulnerability in the Simple Ajax Chat WordPress plugin that allows unauthenticated attackers to access sensitive information. Detection involves checking if your system is running a vulnerable version of the plugin (up to and including 20251121) and if your web server is not Apache (e.g., nginx or IIS), as Apache is not affected.
Since the vulnerability allows retrieval of embedded sensitive data, one way to detect it is by attempting to access known plugin endpoints or URLs that might expose sensitive data without authentication.
Specific commands are not provided in the available resources, but general approaches include:
- Use curl or wget to request plugin-related URLs and check for sensitive data exposure, for example: curl -i http://yourdomain.com/wp-content/plugins/simple-ajax-chat/ or other plugin-specific endpoints.
- Scan your WordPress installation for the plugin version using WP-CLI: wp plugin list | grep simple-ajax-chat
- Check your web server type to confirm if it is affected (e.g., nginx or IIS) by running commands like nginx -v or checking IIS configuration.
What immediate steps should I take to mitigate this vulnerability?
The primary mitigation step is to update the Simple Ajax Chat plugin to version 20260217 or later, as this version contains the patch for the vulnerability.
If immediate updating is not possible, consider disabling the plugin temporarily to prevent exposure of sensitive data.
Additionally, ensure your web server is properly configured to restrict unauthorized access to plugin files and sensitive data.
Patchstack also offers mitigation solutions including auto-updates for vulnerable plugins, which can be used to keep the plugin up to date automatically.