Vulnerability · Published Jul 10, 2026 · Assigned by CERT-PL
CVE-2026-41877Stored XSS in R-SOFT DMS
Medium 5.1
In plain English
A medium-severity cross-site scripting in DMS from R-SOFT SERWIS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.4%top 66.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| R-SOFT SERWIS | DMS | 0 – before v3.19-28320 – before v3.17-2580 |
Weakness: CWE-79 · 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
References
- https://cert.pl/posts/2026/07/CVE-2026-41876 third-party-advisory