CVE-2026-41877

Stored XSS in R-SOFT DMS

MEDIUM

5.1

CVSS Score

Published: July 10, 2026 at 09:05 AM UTC

Updated: October 25, 2026 at 03:10 PM UTC

1 product affected across 1 vendorDMS

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Severity

MEDIUM5.1

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

DMS · R Soft Serwis

90%

v < v3.17-2580v < v3.19-2832

Affected range stops below v3.17-2580, so it looks safe — our inference, not a vendor statement

Affected range stops below v3.19-2832, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMCERT-PL

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-79

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