Description
An issue was discovered in BACKCLICK Professional 5.9.63. Due to improper validation or sanitization of upload filenames, an externally reachable, unauthenticated update function permits writing files outside the intended target location. Achieving remote code execution is possible, e.g., by uploading an executable file.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-031.txt
Scores
CVSS v3
9.8
EPSS
0.0188
EPSS Percentile
76.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (1)
backclick/backclick
5.9.63
Published
Nov 16, 2022
Tracked Since
Feb 18, 2026