CVE-2025-5887: jsnjfz WebStack-Guns File Upload UserMgrController.java cross site scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-09 · updated 2026-06-17
Weakness: CWE-79

Description

A vulnerability was found in jsnjfz WebStack-Guns 1.0. It has been classified as problematic. Affected is an unknown function of the file UserMgrController.java of the component File Upload. The manipulation of the argument File leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

jsnjfz WebStack-Guns: 1.0

References

https://github.com/Aiyakami/CVE-1/issues/4
https://vuldb.com/?ctiid.311658
https://vuldb.com/?id.311658
https://vuldb.com/?submit.580744
https://github.com/Aiyakami/CVE-1/issues/4

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