CVE-2020-26574

Critical

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

SeverityCritical
CVSS9.6
Exploit probability—
ProductLeostream Connection Broker
PublishedOct 6, 2020
First seenOct 6, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
leostream connection_broker8.2.15 ≤ v ≤ 8.2.73—

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