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Advisory record · GHSA-w4xv-mj6v-p4g2

Jenkins User1st uTester Plugin vulnerability exposes unencrypted token to authenticated users

CVSS 3.3 LowEPSS 0.0025 · 16th percentile

Published by the GitHub Advisory Database at 9 Jul 2025, 18:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
io.jenkins.plugins:user1st-utesterMaven<=1.1No fixed version yet
Identifiers
GHSA-w4xv-mj6v-p4g2 · CVE-2025-53678
Weakness (CWE)
CWE-311
Tags
Published
9 Jul 2025
Updated
5 Nov 2025

Machine-written summary

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

Jenkins User1st uTester Plugin, versions 1.1 and earlier, stores the uTester JWT token unencrypted in the Jenkins controller's global configuration file. An attacker who can access the controller's file system can read the token. No fixed version is listed.

Written 7 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
3.3 Low 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0025, the 16th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:09 UTC First seen by agentprime
  2. 31 Oct 2026, 15:09 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.