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AVEVA PI Web API

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1. EXECUTIVE SUMMARY

  • CVSS v4 4.5
  • ATTENTION: Exploitable remotely
  • Vendor: AVEVA
  • Equipment: PI Web API
  • Vulnerability: Cross-site Scripting

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to disable content security policy protections.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of AVEVA PI Web API are affected:

  • PI Web API: Versions 2023 SP1 and prior

3.2 VULNERABILITY OVERVIEW

3.2.1 IMPROPER NEUTRALIZATION OF INPUT DURING WEB PAGE GENERATION (‘CROSS-SITE SCRIPTING’) CWE-79

A cross-site scripting vulnerability exists in PI Web API version 2023 SP1 and prior that, if exploited, could allow an authenticated attacker (with privileges to create/update annotations or upload media files) to persist arbitrary JavaScript code that will be executed by users who were socially engineered to disable content security policy protections while rendering annotation attachments from within a web browser.

CVE-2025-2745 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N).

A CVSS v4 score has also been calculated for CVE-2025-2745. A base score of 4.5 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCT

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