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Advisory record · GHSA-fpq4-r87v-g246

ThingsBoard vulnerable to stored cross-site scripting (XSS) vulnerability in the dashboard's Image Upload Gallery feature

CVSS 6.2 MediumEPSS 0.0039 · 33rd percentile

Published by the GitHub Advisory Database at 17 Oct 2025, 21:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.thingsboard:applicationMaven<4.2.14.2.1
Identifiers
GHSA-fpq4-r87v-g246 · CVE-2025-34281
Weakness (CWE)
CWE-79
Tags
Published
17 Oct 2025
Updated
10 Feb 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

ThingsBoard application (Maven org.thingsboard:application) versions before 4.2.1 are vulnerable to stored cross-site scripting in the dashboard's Image Upload Gallery. An attacker who can upload an SVG file can embed JavaScript that runs when the file is rendered in the UI. Upgrade to version 4.2.1 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.2 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N CNA (Checkmarx)
  • CISA KEV Not listed.
  • EPSS 0.0039, the 33rd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:21 UTC First seen by agentprime
  2. 31 Oct 2026, 14:21 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.