CVE-2026-0618 Cross-site scripting in PowerShell Universal

What is CVE-2026-0618?

CVE-2026-0618 is a medium-severity cross-site scripting vulnerability in Devolutions PowerShell Universal, published on 7 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site Scripting vulnerability in Devolutions PowerShell Universal.This issue affects Powershell Universal: before 4.5.6, before 5.6.13.

Weakness: CWE-79

Which versions are affected by CVE-2026-0618?

It affects 1 product.

Products include Ironmansoftware Powershell Universal.

How do I fix CVE-2026-0618?

No fix has been published for CVE-2026-0618 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-0618 being exploited?

There is no known exploitation of CVE-2026-0618 in the wild and no public exploit code.

Other vulnerabilities in Devolutions PowerShell Universal

• CVE-2023-49213 Command injection in n/a High 8.8
• CVE-2022-45183 Privilege escalation in n/a High 8.8
• CVE-2026-4064 Missing authorization in PowerShell Universal High 8.3
• CVE-2022-45184 Path traversal in n/a High 7.2
• CVE-2026-3563 Denial of service in PowerShell Universal Medium 5.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-85fj-vc95-7wgw.