AVEVA Application Server IDE Basic Cross-site Scripting_CVE-2025-8386

6.9 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-8386

Source icscert

Published Nov 14, 2025 at 23:57

Affected Product

Vendor AVEVA

Product Application Server

Affected Versions AVEVA Application Server 0

CWE Classification

CWE-80

References

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    "lastseen": "",
    "description": "The vulnerability, if exploited, could allow an authenticated miscreant \n(with privilege of \"aaConfigTools\") to tamper with App Objects' help \nfiles and persist a cross-site scripting (XSS) injection that when \nexecuted by a victim user, can result in horizontal or vertical \nescalation of privileges. The vulnerability can only be exploited during\n config-time operations within the IDE component of Application Server. \nRun-time components and operations are not affected.",
    "published": "2025-11-14T23:57:04.396Z",
    "modified": "2025-11-14T23:57:04.396Z",
    "type": "cve",
    "title": "AVEVA Application Server IDE Basic Cross-site Scripting",
    "source": "icscert",
    "references": "https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin-AVEVA-2025-005.pdf\nhttps://www.cisa.gov/news-events/ics-advisories/icsa-25-317-02\nhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-317-02.json",
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        "version": "3.1"
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