EUVD-2025-199956CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Lifecycle Timeline
4Description
A vulnerability was found in jsnjfz WebStack-Guns 1.0. This affects the function renderPicture of the file src/main/java/com/jsnjfz/manage/modular/system/controller/KaptchaController.java. Performing a manipulation results in path traversal. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
A vulnerability was found in jsnjfz WebStack-Guns 1.0. This affects the function renderPicture of the file src/main/java/com/jsnjfz/manage/modular/system/controller/KaptchaController.java. Performing a manipulation results in path traversal. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Technical Context
Path traversal allows an attacker to access files outside the intended directory by manipulating file paths with sequences like '../'.
Affected Products
Affected products: Jsnjfz Webstack-Guns 1.0
Remediation
Validate and sanitize file path inputs. Use a whitelist of allowed files or directories. Implement chroot jails or containerization.
Priority Score
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External POC / Exploit Code
Leaving vuln.today