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Security Bulletin: IBM Storage Protect Client is vulnerable to stored cross-site scripting due to Angular (CVE-2025-66412)

Security Bulletin


Summary

IBM Storage Protect Client uses the Angular web framework to provide web-based user interface components. A stored cross-site scripting (XSS) vulnerability in the Angular Template Compiler could allow an attacker to bypass Angular's built-in security sanitization and execute malicious scripts through specially crafted content. IBM Storage Protect Client is affected by this vulnerability through its use of Angular.

Vulnerability Details

CVEID:   CVE-2025-66412
DESCRIPTION:   Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 21.0.2, 20.3.15, and 19.2.17, A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the Angular Template Compiler. It occurs because the compiler's internal security schema is incomplete, allowing attackers to bypass Angular's built-in security sanitization. Specifically, the schema fails to classify certain URL-holding attributes (e.g., those that could contain javascript: URLs) as requiring strict URL security, enabling the injection of malicious scripts. This vulnerability is fixed in 21.0.2, 20.3.15, and 19.2.17.
CWE:   CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS Source:   NVD
CVSS Base score:   5.4
CVSS Vector:   (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Storage Protect Client8.1.0.0 - 8.2.1.0

 

Remediation/Fixes

IBM strongly recommends addressing the vulnerabilities now by upgrading.

Product Fixing LevelPlatformLink to fix and instructions 
IBM Storage Protect Backup-Archive Client 8.2.2.0

AIX

HP-UX

Linux

Macintosh

Solaris

Windows

Instructions for downloading the update: https://www.ibm.com/support/pages/node/7277259

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Change History

01 Aug 2026: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.

Document Location

Worldwide

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Document Information

Modified date:
31 July 2026

Initial Publish date:
01 August 2026

UID

ibm17282171