CVE-2025-53678 Jenkins User1st uTester Plugin vulnerability exposes unencrypted token to authenticated users
Attackers with Jenkins controller file system access can read unencrypted uTester JWT tokens, potentially compromising authentication.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53678?
CVE-2025-53678 is a medium-severity vulnerability in Jenkins User1st uTester Plugin, published on 9 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins User1st uTester Plugin 1.1 and earlier stores the uTester JWT token unencrypted in its global configuration file on the Jenkins controller, where it can be viewed by users with access to the Jenkins controller file system.
Weakness: CWE-311
Which versions are affected by CVE-2025-53678?
2 open source packages ship an affected version, including io.jenkins.plugins:user1st-utester. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
io.jenkins.plugins:user1st-utester Maven | All versions to 1.1 | None |
io.jenkins.plugins:user1st-utester Maven | All versions to 1.1 | None |
Products include Jenkins User1st Utester.
How do I fix CVE-2025-53678?
No fix has been published for CVE-2025-53678 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-53678 being exploited?
There is no known exploitation of CVE-2025-53678 in the wild and no public exploit code.
Sources
Also known as GHSA-w4xv-mj6v-p4g2.