CVE-2025-8386

Nov. 18, 2025, 2:06 p.m.

7.2
High

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.

Product(s) Impacted

Product Versions
application_server
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-80
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-317-02.json
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin-AVEVA-2025-005.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-02

Tags

ics-cert@hq.dhs.gov
CWE-80
2025-11-15
CVE-2025-8386

CVSS Score

7.2 / 10

CVSS Data - 4.0

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: HIGH
  • User Interaction: PASSIVE
  • Scope:
  • Confidentiality Impact: HIGH
  • Integrity Impact: LOW
  • Availability Impact: LOW
  • Exploit Maturity: NOT_DEFINED

    • CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/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

    View Vector String

Timeline

Published: Nov. 15, 2025, 12:15 a.m.
Last Modified: Nov. 18, 2025, 2:06 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

ics-cert@hq.dhs.gov

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.