Stored XSS via Bootstrap Tooltip in osTicket

osTicket versions from 1.10 up to 1.17.7 and from 1.18.0 up to 1.18.3 are vulnerable to a stored XSS due to a vulnerable Bootstrap Tooltip component and insufficient HTML sanitization, allowing remote attackers to execute arbitrary JavaScript in Agent or Admin sessions.

Stored Cross‑Site Scripting in osTicket Thread Entry Title Field

A stored cross-site scripting (XSS) vulnerability exists in osTicket 1.18.3 due to improper sanitization of the thread entry title field. User-controlled input in the title is stored without adequate HTML escaping and later rendered in multiple staff-facing templates without proper output encoding. An attacker can inject arbitrary JavaScript by submitting a crafted ticket reply or email with a malicious subject line.

Stored XSS via Email From Header in osTicket

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting (XSS) via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ost_thread_entry. When an unauthenticated attacker sends a reply email to an existing ticket from an unregistered address with an XSS payload in the From display name.

Predictable API Key Generation Enables Brute‑Force Access in osTicket 1.18.3

osTicket 1.18.3 generates API keys using a predictable construction based on MD5 hashing. The use of MD5, combined with predictable inputs such as the current timestamp and client IP address, significantly reduces entropy. An attacker can approximate the key generation time and brute-force the key space within a feasible time window.

osTicket v1.18.3 - v1.17.7 - BOLA/IDOR in ticket field viewing allows cross-department data disclosure

osTicket versions v1.18.3 and v1.17.7 contain a Broken Object Level Authorization (BOLA) leading to Insecure Direct Object Reference (IDOR) in the AJAX ticket-management subsystem.

osTicket Dispatcher class.dispatcher.php cross-site request forgery

A security vulnerability has been detected in osTicket up to 1.18.3. Impacted is an unknown function of the file include/class.dispatcher.php of the component Dispatcher. The manipulation of the argument _method leads to cross-site request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through a pull request but has not reacted yet.

Cross-site scripting (XSS) vulnerability in support/view.php in Support Cards 1 (osTicket) allows remote attackers to inject arbitrary web script or HTML via the e parameter.

osTicket WP Bridge <= 1.9.2 - Cross-Site Request Forgery to Stored Cross-Site Scripting

The osTicket WP Bridge plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.9.2. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

osTicket allows remote attackers to view sensitive uploaded files and possibly execute arbitrary code via an HTTP request that uploads a PHP file to the ticket attachments directory.

osTicket trusts a hidden form field in the submit form to limit the upload size of a document, which could allow remote attackers to upload a file of any size.

Multiple SQL injection vulnerabilities in osTicket allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to admin.php or (2) cat parameter to view.php.

PHP remote file inclusion vulnerability in main.php in osTicket allows remote attackers to execute arbitrary PHP code via the include_dir parameter.

SQL injection vulnerability in class.ticket.php in osTicket 1.3.1 beta and earlier allows remote attackers to execute arbitrary SQL commands via the ticket variable.

PHP local file inclusion vulnerability in (1) view.php and (2) open.php in osTicket 1.3.1 beta and earlier allows remote attackers to include and possibly execute arbitrary local files via the inc parameter.

User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.

osTicket prior to v1.17.6 and v1.18.2 are vulnerable to Broken Access Control Vulnerability in /scp/ajax.php.

In osTicket before 1.10.1, SQL injection is possible by constructing an array via use of square brackets at the end of a parameter name, as demonstrated by the key parameter to file.php.

osTicket 1.10.1 allows arbitrary client-side JavaScript code execution on victims who click a crafted support/scp/tickets.php?status= link, aka XSS. Session ID and data theft may follow as well as the possibility of bypassing CSRF protections, injection of iframes to establish communication channels, etc. The vulnerability is present after login into the application. This affects a different tickets.php file than CVE-2015-1176.

osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats. However, it does not properly validate the uploaded file's contents and thus accepts any type of file, such as with a tickets.php request that is modified with a .html extension changed to a .exe extension. An attacker can leverage this vulnerability to upload arbitrary files on the web application having malicious content.

Cross-site scripting (XSS) vulnerability in scp/ajax.php in osTicket before 1.6.0 Stable allows remote authenticated users to inject arbitrary web script or HTML via the f parameter, possibly related to an error message generated by scp/admin.php.