CVE-2025-8386 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in Application Server

Severity
7.2HIGHNVD
EPSS
0.0%
top 97.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 15

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

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

Affected Packages1 packages

â–¶CVEListV5aveva/application_serverVersions 2023 R2 SP1 P02

🔴Vulnerability Details

2
GHSA
GHSA-jj42-75hx-q362: The vulnerability, if exploited, could allow an authenticated miscreant (with privilege of "aaConfigTools") to tamper with App Objects' help files and↗2025-11-15
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CVEList
AVEVA Application Server IDE Basic Cross-site Scripting↗2025-11-14
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CVE-2025-8386 — Aveva Application Server vulnerability | cvebase