CVE-2026-48215: Open ISES Tickets < 3.44.2 Reflected XSS via circle.php frm_id Parameter
Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in circle.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the frm_id POST parameter directly into an HTML form input value attribute. Attackers can craft a malicious request containing a JavaScript payload that executes in the victim's browser when the response is rendered.
Security readout for executives and security teams
Plain-English summary
An authenticated attacker can manipulate an Open ISES Tickets request so malicious script runs when a victim views the returned page. Successful abuse could expose limited browser-accessible information or perform actions as the victim. The issue affects releases before 3.44.2 and requires user interaction.
Executive priority
Treat this as a moderate-priority web application update. Schedule prompt remediation, prioritizing internet-facing and multi-user deployments. Escalate if administrators or other privileged users could be induced to view attacker-controlled responses, because browser execution may inherit the victim’s application privileges.
Technical view
CVE-2026-48215 is reflected cross-site scripting in circle.php. The frm_id POST parameter is inserted unsanitized into an HTML input value attribute. CVSS 3.1 is 5.4: network-accessible, low complexity, low privileges, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact.
Likely exposure
Open ISES Tickets installations before 3.44.2 are potentially exposed where authenticated users can reach circle.php. Risk is greater for externally accessible or broadly shared deployments. The supplied affected-version metadata also contains an ambiguous version entry of “0,” so organizations should confirm versions against the release and patch references.
Exploitation context
The source bundle does not establish active exploitation, and the CVE is not identified as being in KEV. Exploitation requires authenticated access plus a victim rendering the crafted response. No evidence supplied here establishes public weaponization, observed campaigns, or exploitation prevalence.
Researcher notes
The vulnerability maps to CWE-79. The supplied vector indicates low-privileged authentication and user interaction, with impact crossing a security boundary. Patch analysis should focus on contextual output encoding for frm_id in the input value attribute. The bundle supports affected releases before 3.44.2, but its structured affected-version entry is internally unclear.
Mitigation direction
Upgrade Open ISES Tickets to version 3.44.2 or later.
Review the referenced patch when validating backported or vendor-customized fixes.
Limit application access to trusted users until remediation is complete.
Check vendor guidance for any additional supported mitigation or upgrade requirements.
Validation and detection
Inventory Open ISES Tickets deployments and record their exact versions.
Confirm every installation is version 3.44.2 or later.
Verify the referenced patch is present in customized or backported builds.
Regression-test frm_id handling with harmless special characters and confirm safe HTML encoding.
Review logs for suspicious POST requests to circle.php, recognizing logs may not prove exploitation.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-79 · source CWE mapping
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.