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Open ISES Tickets EUVDEUVD-2026-31305

| CVE-2026-48224 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-05-21 VulnCheck GHSA-xxw9-f9g5-745j
5.1
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
5.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

3
Source Code Evidence Fetched
May 21, 2026 - 18:39 vuln.today
Analysis Generated
May 21, 2026 - 18:39 vuln.today
CVSS changed
May 21, 2026 - 18:22 NVD
5.4 (MEDIUM) 5.1 (MEDIUM)

DescriptionCVE.org

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in ics214.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the frm_add_str POST parameter directly into an HTML form hidden 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.

AnalysisAI

Reflected cross-site scripting in Open ISES Tickets before v3.44.2 enables JavaScript injection via the frm_add_str POST parameter in ics214.php, which reflects the unsanitized value directly into an HTML form hidden input value attribute. When a victim renders the crafted response, the payload executes in their browser session, enabling session hijacking or action-on-behalf-of-user attacks. No public exploit has been identified and this CVE is not listed in CISA KEV, though the v3.44.2 release addresses 88 total vulnerabilities - including SQL injection and hardcoded credentials - making upgrade broadly critical regardless of this specific finding.

Technical ContextAI

Open ISES Tickets is a PHP-based incident/ticketing web application (CPE: cpe:2.3:a:open_ises:tickets:*:*:*:*:*:*:*:*). The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation), a Type 1 Reflected XSS. The specific sink is within ics214.php, where the frm_add_str POST parameter is echoed without HTML encoding into a hidden form input's value attribute - a classic PHP output context failure. Because the injection lands inside an attribute value, an attacker can break out of the attribute context using a quote character followed by an event handler or script tag. The v3.44.2 release notes confirm this was one of 69 XSS vulnerabilities fixed across 22 PHP files, indicating the application lacked a consistent output encoding strategy rather than this being an isolated defect. The same release also patched 19 SQL injection issues and removed hardcoded API keys and database passwords, pointing to a systemic absence of secure coding practices throughout the codebase.

RemediationAI

The primary remediation is upgrading to Open ISES Tickets v3.44.2, available at https://github.com/openises/tickets/releases/tag/v3.44.2 and described by the vendor as a critical security update. For Docker deployments, run 'docker compose pull && docker compose up -d'. For traditional deployments, download the release zip, extract it over the existing installation, and run the built-in installer in Upgrade mode; the vendor states existing passwords will continue to work with automatic hash upgrades on next login. The specific commit addressing this vulnerability is https://github.com/openises/tickets/commit/ecfeb406a016766cae81c749e14b5145a9f2dbff. If immediate upgrade is not possible, restrict access to ics214.php via web server configuration (e.g., IP-based allow-listing in Apache/nginx) as a compensating control - note this does not address the 19 SQL injection vulnerabilities and hardcoded credentials also fixed in this release, which may represent greater immediate risk. Given the breadth of the v3.44.2 security release, partial mitigations are a poor substitute for the full upgrade.

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EUVD-2026-31305 vulnerability details – vuln.today

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