CVE-2026-41877 PUBLISHED

Stored XSS in R-SOFT DMS

Assigner: CERT-PL
Reserved: 22.04.2026 Published: 10.07.2026 Updated: 10.07.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	Low	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	R-SOFT SERWIS
Product	DMS
Versions	Default: unaffected affected from 0 to v3.19-2832 (excl.) affected from 0 to v3.17-2580 (excl.)

Credits

Marek Figielski (Vanilla.pl) finder

References

https://cert.pl/posts/2026/07/CVE-2026-41876

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') CWE

Impacts

CAPEC-592 Stored XSS