CVE-2026-48226
Reflected XSS in Open ISES Tickets via os_watch.php
Publication date: 2026-05-21
Last updated on: 2026-05-21
Assigner: VulnCheck
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-2026-48226 is a reflected cross-site scripting (XSS) vulnerability found in Open ISES Tickets versions before 3.44.2, specifically in the os_watch.php file.
Authenticated attackers can exploit this flaw by injecting arbitrary JavaScript code through the 'ref' and 'mode_orig' POST parameters. These parameters are not properly sanitized and are directly embedded into HTML form hidden input value attributes.
When a victim's browser renders the response containing these unsanitized inputs, the malicious JavaScript payload executes, potentially compromising the user's session or data.
How can this vulnerability impact me? :
This vulnerability allows attackers to execute arbitrary JavaScript in the context of a victim's browser session when they interact with the vulnerable application.
- Attackers can hijack user sessions, steal sensitive information, or perform actions on behalf of the user.
- It may lead to unauthorized access or manipulation of user data.
- The vulnerability requires the attacker to be authenticated, but the impact can still be significant for users with access.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by testing the os_watch.php endpoint for reflected cross-site scripting (XSS) via the 'ref' and 'mode_orig' POST parameters. An authenticated user can send crafted POST requests containing JavaScript payloads in these parameters and observe if the payload is reflected and executed in the response.
- Use a tool like curl to send a POST request with JavaScript payloads in the 'ref' and 'mode_orig' parameters to the os_watch.php endpoint.
- Example command: curl -X POST -d "ref=<script>alert(1)</script>&mode_orig=<script>alert(1)</script>" https://target-system/os_watch.php -b cookie.txt
Check the HTTP response for the presence and execution of the injected script in the HTML form hidden input values. This indicates the presence of the reflected XSS vulnerability.
What immediate steps should I take to mitigate this vulnerability?
The immediate step to mitigate this vulnerability is to update Open ISES Tickets to version 3.44.2 or later, where the issue has been fixed.
Until the update can be applied, restrict access to the affected os_watch.php page to trusted authenticated users only, and monitor for suspicious POST requests containing script payloads in the 'ref' and 'mode_orig' parameters.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify how the reflected cross-site scripting vulnerability in Open ISES Tickets affects compliance with common standards and regulations such as GDPR or HIPAA.