MEDIUM 4.8 NVD
CVE-2026-40126
OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a
OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.
This issue was fixed in OutSystems Service Center version 11.41.2
References
- https://cert.pl/en/posts/2026/08/CVE-2026-40126/
- https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/
- https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&Compone
This medium severity vulnerability with a CVSS score of 4.8 was published on 2026-08-17 via NVD.
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