CVE-2026-48215
Reflected XSS in Open ISES Tickets via circle.php
Publication date: 2026-05-21
Last updated on: 2026-05-21
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
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-2026-48215 is a reflected cross-site scripting (XSS) vulnerability found in Open ISES Tickets versions before 3.44.2, specifically in the circle.php file.
The vulnerability occurs because the frm_id POST parameter does not properly sanitize user input before embedding it into an HTML form input value attribute.
An authenticated attacker can exploit this by sending a specially crafted request containing malicious JavaScript code, which then executes in the victim's browser when the response is rendered.
How can this vulnerability impact me? :
This vulnerability allows an authenticated attacker to execute arbitrary JavaScript code in the context of a victim's browser.
Such an attack can lead to session hijacking, theft of sensitive information, or performing actions on behalf of the victim without their consent.
Because the attacker must be authenticated, the risk is somewhat limited to users with access, but the impact can still be significant within that scope.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by monitoring for HTTP POST requests to the circle.php endpoint that include the frm_id parameter with suspicious or malicious JavaScript payloads. Since the vulnerability involves reflected cross-site scripting via the frm_id POST parameter, analyzing web server logs or using web application security scanners to identify such patterns can help detect exploitation attempts.
Specific commands are not provided in the available resources, but typical detection methods include using tools like curl or wget to simulate POST requests with crafted frm_id values, or employing web vulnerability scanners that test for reflected XSS vulnerabilities.
What immediate steps should I take to mitigate this vulnerability?
The immediate mitigation step is to upgrade Open ISES Tickets to version 3.44.2 or later, where the vulnerability has been patched. This update properly sanitizes the frm_id POST parameter to prevent reflected cross-site scripting.
Until the patch can be applied, consider implementing web application firewall (WAF) rules to block or sanitize requests containing suspicious JavaScript payloads in the frm_id parameter, and restrict access to the affected circle.php endpoint to trusted authenticated users only.