Powershell Universal
CVE-2026-0618
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 6.1 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: Required. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
PowerShell Universal versions before 4.5.6 and 5.6.13 contain a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts through the network interface, affecting confidentiality and integrity of user sessions. An attacker can exploit this with user interaction to steal sensitive information or perform actions on behalf of affected users. No patch is currently available for this vulnerability.
Earlier versions of this analysis (1)
Cross-site Scripting vulnerability in Devolutions PowerShell Universal.This issue affects Powershell Universal: before 4.5.6, before 5.6.13. [CVSS 6.1 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Powershell Universal. Cross-site Scripting vulnerability in Devolutions PowerShell Universal.This issue affects Powershell Universal: before 4.5.6, before 5.6.13.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from Vendor (devolutions) · only source for this CVE.
CVSS VectorVendor: devolutions
DescriptionCVE.org
Cross-site Scripting vulnerability in Devolutions PowerShell Universal.This issue affects Powershell Universal: before 4.5.6, before 5.6.13.
Executive ViewAI
Organizations using Cross-site Scripting vulnerability in Devolutions PowerShell Universal.This should be aware of moderate risk from CVE-2026-0618, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
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GitHub PoC
Exploit-DB