CVE-2026-41877: R-Soft Serwis Dms

Medium severity, CVSS 5.1. EPSS: 0.4% chance of exploitation in the next 30 days.

R-SOFT DMS is vulnerable to Stored XSS in file upload functionality. Authenticated attacker can inject arbitrary HTML and JS into the name of the file being uploaded, which will be executed when visiting file list or upload status by other users. This issue was fixed in version v3.19-2832 and v3.17-2580.

Affected products

• R-Soft Serwis Dms: before v3.19-2832 (fixed in v3.19-2832); before v3.17-2580 (fixed in v3.17-2580)

Published 2026-07-10. Last modified 2026-07-10.