CVE-2026-41031

CriticalUpdated

Published: 09 June 2026

Published

09 June 2026

Modified

17 June 2026

KEV Added

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Patch

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CVSS Score v4 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Score 0.0024 15.3th percentile

Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-41031 is a critical-severity Cross-site Scripting (CWE-79) vulnerability in Skilja (inferred from references). Its CVSS base score is 9.3 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Browser Session Hijacking (T1185); ranked at the 15.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-35390

Vulnerability details

A Stored Cross-Site Scripting vulnerability in Vinna Process Monitor Version 4.0 Service Pack 1 (Build 63255) allows an authenticated remote attacker with low privileges to inject malicious JavaScript code into the application. This enables attackers to steal administrative access tokens…

and session credentials.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1185 Browser Session Hijacking Collection

Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.

attack.mitre.org →

T1528 Steal Application Access Token Credential Access

Adversaries can steal application access tokens as a means of acquiring credentials to access remote systems and resources.

attack.mitre.org →

Why these techniques?

Stored XSS directly enables browser session hijacking (T1185) and theft of application access tokens (T1528) by injecting JS to exfiltrate credentials/tokens.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0