CVE-2021-40542

PoC —

CVSS 3.1

6.1 medium

EPSS

3%p87

Published

Oct 11, 2021 (Oct 11, 2021)

Modified

Jun 17, 2026

Description

Opensis-Classic Version 8.0 is affected by cross-site scripting (XSS). An unauthenticated user can inject and execute JavaScript code through the link_url parameter in Ajax_url_encode.php.

Vendors: os4ed
Products: opensis
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (3.2%)

In the news0 stories

No ingested article mentions this CVE yet.