Exploitation Summary
EIP tracks 1 public exploit for CVE-2020-26574. PoCs published by X-C3LL.
AI-analyzed exploit summary This PoC demonstrates a stored XSS vulnerability in Leostream's web interface, leveraging a crafted User-Agent header to inject malicious JavaScript. The exploit chain involves iframe manipulation to navigate the target application and upload a malicious file.
Description
Leostream Connection Broker 8.2.x is affected by stored XSS. An unauthenticated attacker can inject arbitrary JavaScript code via the webquery.pl User-Agent HTTP header. It is rendered by the admins the next time they log in. The JavaScript injected can be used to force the admin to upload a malicious Perl script that will be executed as root via libMisc::browser_client. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Exploits (1)
This PoC demonstrates a stored XSS vulnerability in Leostream's web interface, leveraging a crafted User-Agent header to inject malicious JavaScript. The exploit chain involves iframe manipulation to navigate the target application and upload a malicious file.
References (2)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H