CVE-2021-38157

6.1 MEDIUM

LeoStream Connection Broker 9.x before 9.0.34.3 allows Unauthenticated Reflected XSS via the /index.pl user parameter

Published: 2021-08-06 · Last updated: 2026-06-17

Severity and scoring

CVSS: 6.1 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE: CWE-79

Affected products

Vendor	Product
leostream	connection_broker

Description

LeoStream Connection Broker 9.x before 9.0.34.3 allows Unauthenticated Reflected XSS via the /index.pl user parameter. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-38157
[Other]https://dgccpa.com
[Exploit reference]https://gist.github.com/erud1te-sec/5c85924cb78ba85af42e0b7b62a5ec91
[Vendor advisory]https://leostream.com
[Vendor advisory]https://www.leostream.com/resources-2/product-lifecycle/
[Other]https://dgccpa.com
[Exploit reference]https://gist.github.com/erud1te-sec/5c85924cb78ba85af42e0b7b62a5ec91
[Vendor advisory]https://leostream.com
[Vendor advisory]https://www.leostream.com/resources-2/product-lifecycle/

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