CVE-2025-8386 - CVE House

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Status published High CVE-2025-8386

AVEVA Application Server IDE Basic Cross-site Scripting

7.2 CVSS

Vulnerability Description

The vulnerability, if exploited, could allow an authenticated miscreant (with privilege of "aaConfigTools") to tamper with App Objects' help files and persist a cross-site scripting (XSS) injection that when executed by a victim user, can result in horizontal or vertical escalation of privileges. The vulnerability can only be exploited during config-time operations within the IDE component of Application Server. Run-time components and operations are not affected.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

AVEVA reported this vulnerability to CISA.

References

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AVEVA Process Optimization Missing Authorization

Affected Vendor

AVEVA

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Affected Software

Application Server

Vulnerable Versions:

0

Timeline

Official Publish: November 14th, 2025

Last Modified: November 17th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059 Command and Scripting Interpreter

T1552 Unsecured Credentials

Credential Access

T1071 Application Layer Protocol

Command and Control

T1565 Data Manipulation