ProcessMaker is an open source workflow management software suite. Prior to 2026.14.3, the GET /api/1.0/tasks endpoint in ProcessMaker is vulnerable to SQL injection through the orderby parameter because ProcessMaker\Traits\TaskControllerIndexMethods::applyColumnOrdering() concatenates a user-controlled processrequests column name into a DB::raw() SQL subquery without validation or parameter binding. Any authenticated user can use blind, time-based queries to infer and extract data accessible to the ProcessMaker database account. This issue is fixed in version 2026.14.3.

ProcessMaker 3.5.4 contains a local file inclusion vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting improper path traversal validation. Attackers can send requests with directory traversal sequences to access sensitive system files like /etc/passwd without authentication.

A code injection vulnerability exists in ProcessMaker Open Source versions 2.x when using the default 'neoclassic' skin. An authenticated user can execute arbitrary PHP code via multiple endpoints, including appFolderAjax.php, casesStartPageAjax.php, and casesSchedulerGetPlugins.php, by supplying crafted POST requests to parameters such as action and params. These endpoints fail to validate user input and directly invoke PHP functions like system() with user-supplied parameters, enabling remote code execution. The vulnerability affects both Linux and Windows installations and is present in default configurations of versions including 2.0.23 through 2.5.1. The vulnerable skin cannot be removed through the web interface, and exploitation requires only valid user credentials.

An unrestricted file upload vulnerability exists in ProcessMaker versions prior to 3.5.4 due to improper handling of uploaded plugin archives. An attacker with administrative privileges can upload a malicious .tar plugin file containing arbitrary PHP code. Upon installation, the plugin’s install() method is invoked, resulting in execution of attacker-supplied PHP code on the server with the privileges of the web server user. This vulnerability can be chained with CVE-2022-38577 — a privilege escalation flaw in the user profile page — to achieve full remote code execution from a low-privileged account.

A cross-site scripting (XSS) vulnerability in Process Maker pm4core-docker 4.1.21-RC7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Name parameter.

Cross Site Scripting vulnerability in Process Maker, Inc ProcessMaker before 4.0 allows a remote attacker to run arbitrary code via control of the pmsyssys cookie.

ProcessMaker before v3.5.4 was discovered to contain insecure permissions in the user profile page. This vulnerability allows attackers to escalate normal users to Administrators.

SQL injection vulnerability exists in the handling of sort parameters in ProcessMaker 3.4.11. A specially crafted HTTP request can cause an SQL injection. The reportTablesAjax and clientSetupAjax pages are vulnerable to SQL injection in the sort parameter.An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

The sort parameter in the download page /sysworkflow/en/neoclassic/reportTables/reportTablesAjax is vulnerable to SQL injection in ProcessMaker 3.4.11. A specially crafted HTTP request can cause an SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

A code execution vulnerability exists in ProcessMaker Enterprise Core 3.0.1.7-community. A specially crafted web request can cause unsafe deserialization potentially resulting in PHP code being executed. An attacker can send a crafted web parameter to trigger this vulnerability.

Multiple exploitable SQL Injection vulnerabilities exists in ProcessMaker Enterprise Core 3.0.1.7-community. Specially crafted web requests can cause SQL injections. An attacker can send a web request with parameters containing SQL injection attacks to trigger this vulnerability, potentially allowing exfiltration of the database, user credentials and in certain setups access the underlying operating system.