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CVE-2025-8386

AVEVA Application Server IDE Basic Cross-site Scripting

Published: Nov 14, 2025Updated: Nov 18, 2025 Sources: CVE List NVD csafCWE-80
NVD MITRE
6.9CVSSMEDIUM
EPSS Score
0.1%
Top 96.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:RS:CC:HI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-80

Affected Products

Application ServerAVEVA

Exploitability

Official Patch Available

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-317-02.json
github.com
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin-AVEVA-2025-005.pdf
aveva.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-02
cisa.gov
and 15 more references View all →

Timeline

Published
Nov 14, 2025
Last Updated
Nov 18, 2025

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