CVE-2025-34097

ProcessMaker < 3.5.4 Authenticated Plugin Upload RCE

HIGH
8.6
CVSS Score
Published: July 10, 2025 at 07:12 PM UTC
Updated: June 17, 2026 at 09:13 AM UTC
1 product affected across 1 vendorProcessMaker

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Severity
HIGH8.6
Exploit prediction
EPSS 2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.5.4
Affected range stops below 3.5.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434

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