Medium severity6.1NVD Advisory· Published Oct 11, 2021· Updated Jun 17, 2026

CVE-2021-40542

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Opensis-Classic/Opensis-Classicdescription

Patches

Vulnerability mechanics

References

github.com/OS4ED/openSIS-Classic/issues/189nvdExploitIssue TrackingThird Party Advisory

News mentions

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cvss	0.397
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000