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CVE-2025-34281GHSA-FPQ4-R87V-G246

Stored Cross-Site Scripting (XSS) in ThingsBoard

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.2.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

ThingsBoard in versions prior to v4.2.1 allows an authenticated user to upload malicious SVG images via the "Image Gallery", leading to a Stored Cross-Site Scripting (XSS) vulnerability. The exploit can be triggered when any user accesses the public API endpoint of the malicious SVG images, or if the malicious images are embedded in an `iframe` element, during a widget creation, deployed to any page of the platform (e.g., dashboards), and accessed during normal operations. The vulnerability resides in the `ImageController`, which fails to restrict the execution of JavaScript code when an image is loaded by the user's browser. This vulnerability can lead to the execution of malicious code in the context of other users' sessions, potentially compromising their accounts and allowing unauthorized actions.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • thingsboard thingsboard

    fixed in 4.2.1

  • org.thingsboard:applicationMaven

    fixed in 4.2.1

References 3

advisory.checkmarx.net

GitHub · thingsboard/thingsboard