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CVE-2026-40544
Published: Jun 1, 2026
Modified: Jun 1, 2026
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
SOPlanning | SOPlanning | affected 0 - <= 1.55 |
Weaknesses (CWE)
References
https://cert.pl/en/posts/2026/06/CVE-2026-40543
third-party-advisory
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