Vulnerability · Published Oct 23, 2026 · Assigned by CERT-PL

CVE-2025-58403Reflected Cross-Site Scripting (XSS) in CGM CLININET

Medium 5.1

In plain English

A medium-severity cross-site scripting in CGM CLININET from CGM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium

Exploit odds (30 days)0.5%top 57.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

CGM CLININET is vulnerable to Reflected Cross-Site Scripting (XSS) due to improper neutralization of user-supplied data. A remote unauthenticated attacker can craft a malicious URL containing JavaScript or HTML code, which is executed in the victim's browser when the URL is visited, allowing the attacker to steal session cookies and perform actions on behalf of the victim within the application. The vulnerability was confirmed to affect versions up to 2026.MS3 but later versions may also be vulnerable.

Affected products (as reported)

Vendor	Product	Versions
CGM	CGM CLININET	0 – through 2025.MS3

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

References

https://cert.pl/en/posts/2026/10/CVE-2025-30043/ third-party-advisory
https://www.cgm.com/pol_pl/products/szpital/cgm-clininet.html product