Description
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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.333820
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.333820
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.692080
Exploit, Third Party Advisory broken-link
https://github.com/Xzzz111/exps/blob/main/archives/WebStack-Guns-PathTraversal-1/report.md
Exploit, Third Party Advisory broken-link
exploit
https://github.com/Xzzz111/exps/blob/main/archives/WebStack-Guns-PathTraversal-1/report.md#proof-of-concept
Scores
CVSS v3
5.3
EPSS
0.0020
EPSS Percentile
41.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (1)
jsnjfz/webstack-guns
1.0
Published
Dec 01, 2025
Tracked Since
Feb 18, 2026