CVE-2026-40548

medium

Description

SOPlanning does not verify uploaded file extension. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a legitimate user.csv file alongside a malicious file, which is extracted on the server. When combined with CVE-2026-40547 (Path Traversal), the malicious file (e.g., a PHP script) can be placed in a web-accessible location and executed via the browser. This issue affects SOPlanning version 1.55 and below.

References

https://www.soplanning.org/en/

https://cert.pl/en/posts/2026/06/CVE-2026-40543

Details

Source: Mitre, NVD

Published: 2026-06-01

Updated: 2026-06-01

Risk Information

CVSS v2

Base Score: 6

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 6.4

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H

Severity: Medium

EPSS

EPSS: 0.00039