Reflected XSS in BKG Ntrip Professional Caster version <=2.0.44

published 2023-06-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43726

cvss: 4.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 28%
public exploits: 0; none known

Reflected XSS affects the ‘mode’ parameter in the /admin functionality of the web application in versions <=2.0.44

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-11-06)

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

BKG NTRIP Professional Caster

Classification

Weakness

CWE-20 Improper Input Validation
CWE-79 Improper Neutralization of Input During Web Page Generation

References

igs.bkg.bund.de /root_ftp/NTRIP/software/NTRIPCASTER_CHANGELOG
vendor-advisory, issue-tracking, release-notes
igs.bkg.bund.de /ntrip/bkgcaster
product

Sources

CVE List CVE-2023-3034
NVD CVE-2023-3034

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary