CVE-2025-8386

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 4.0

7.2CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H

CVSS 3.1

6.9CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L

EPSS

0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-25)

CWE

CWE-80

Published

2025-11-15

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

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

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