---
id: CVE-2015-1347
title: >-
  Cross-site scripting (XSS) vulnerability in client.inc.php in osTicket before
  1.9.5.1 allows remote attackers to inject arbitrary web script or HTML via the
  lang parameter.
summary: >-
  Cross-site scripting (XSS) vulnerability in client.inc.php in osTicket before
  1.9.5.1 allows remote attackers to inject arbitrary web script or HTML via the
  lang parameter.
severity: medium
cvss: 4.3
cvssVector: 'AV:N/AC:M/Au:N/C:N/I:P/A:N'
cwe:
  - CWE-79
vendor: enhancesoft
product: osticket
affected:
  - osticket <= 1.9.5
published: '2015-01-23'
updated: '2026-07-10'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2015-1347'
references:
  - url: >-
      https://github.com/osTicket/osTicket-1.8/commit/b38b3ca7235002137cc9ff74b3c24a4a78c9c2d1
    label: cve@mitre.org
  - url: 'https://github.com/osTicket/osTicket-1.8/releases/tag/v1.9.5.1'
    label: cve@mitre.org
  - url: >-
      https://github.com/osTicket/osTicket-1.8/commit/b38b3ca7235002137cc9ff74b3c24a4a78c9c2d1
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/osTicket/osTicket-1.8/releases/tag/v1.9.5.1'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01362
epssPercentile: 0.70541
ingestedAt: '2026-07-10T19:05:51.153Z'
---

## Overview

Cross-site scripting (XSS) vulnerability in client.inc.php in osTicket before 1.9.5.1 allows remote attackers to inject arbitrary web script or HTML via the lang parameter.

## Affected

- `osticket <= 1.9.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.