RCE in Jsnjfz Webstack-Guns

CVE-2025-5887

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-5887: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

  • vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
  • vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
  • github.com/Aiyakami/CVE-1/issues/4 (issue-tracking, Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-5887?
CVE-2025-5887 is a low-severity vulnerability in Jsnjfz Webstack-Guns, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-06-09.
How severe is CVE-2025-5887?
Low severity. CVSS v3 base score is 3.5 out of 10.