CVE-2026-35015: Open ISES Tickets < 3.44.2 Reflected XSS via do_unit_mail.php the_ticket Parameter
Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in do_unit_mail.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the the_ticket GET parameter directly into a JavaScript variable assignment. Attackers can craft a malicious URL containing a JavaScript payload in the the_ticket parameter that executes in the victim's browser when the URL is visited.
Security readout for executives and security teams
Plain-English summary
Open ISES Tickets versions before 3.44.2 can execute attacker-supplied JavaScript when a user visits a specially crafted ticket URL. Exploitation requires the victim to open the link, but successful execution occurs in the application’s browser context and could affect displayed content or user actions.
Executive priority
Schedule prompt remediation for externally reachable or broadly used deployments. Although rated moderate and requiring user interaction, the flaw crosses a browser trust boundary. Prioritize upgrading over relying solely on user awareness.
Technical view
The do_unit_mail.php endpoint places the the_ticket GET parameter into a JavaScript variable without adequate sanitization, causing reflected cross-site scripting. The supplied CVSS 4.0 score is 5.1. The record conflicts on privileges: its description mentions authenticated attackers, while the CVSS vector states PR:N; victim interaction is required.
Likely exposure
Deployments running Open ISES Tickets earlier than 3.44.2 are potentially exposed where do_unit_mail.php is reachable. Exposure depends on whether users can be induced to open crafted links. The bundle does not establish how commonly the affected endpoint is internet-accessible.
Exploitation context
The attack uses a crafted URL containing malicious input in the the_ticket parameter. JavaScript executes only after a victim visits that URL. The CVE is not listed as KEV, and the supplied sources provide no evidence of active exploitation.
Researcher notes
CWE-79 applies. The vulnerable data flow is the_ticket GET input reflected into a JavaScript assignment in do_unit_mail.php. Version 3.44.2 and the linked commit are presented as remediation evidence. Authentication requirements remain unclear because the narrative and CVSS privileges metric disagree.
Mitigation direction
Upgrade Open ISES Tickets to version 3.44.2 or later.
Review the referenced vendor patch and release notes before deployment.
Restrict access to the affected endpoint until upgrading, where operationally feasible.
Warn users against opening unexpected Open ISES Tickets links.
Validation and detection
Inventory Open ISES Tickets deployments and confirm their installed versions.
Verify version 3.44.2 or later is deployed on every instance.
Confirm the referenced patch is present if version identification is unreliable.
Safely test that special characters are encoded rather than inserted into executable JavaScript.
Review web logs for suspicious the_ticket parameters and unexpected referrals.
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.