CVE-2026-40544

SOPlanning is vulnerable to Stored Cross-Site Scripting (XSS) via /process/upload_backup endpoint. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a malicious user.csv file with embedded JavaScript. The injected code is executed in the victim’s browser when a user clicks the Edit button for the malicious backup. This issue affects SOPlanning version 1.55 and below.

CVSS

No CVSS.

References

Link	Resource
https://cert.pl/en/posts/2026/06/CVE-2026-40543
https://www.soplanning.org/en/

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-01 09:16

Updated : 2026-07-22 07:10

NVD link : CVE-2026-40544

Mitre link : CVE-2026-40544

CVE.ORG link : CVE-2026-40544

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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CVE-2026-40544

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