Cross-Site Scripting Vulnerability in Opensis-Classic by OS4ED
CVE-2021-40542

6.1MEDIUM

Key Information:

Vendor

Os4ed

Status
Opensis
Vendor
CVE Published:
11 October 2021

What is CVE-2021-40542?

Opensis-Classic Version 8.0 has a vulnerability that allows unauthenticated attackers to exploit the link_url parameter in Ajax_url_encode.php. By injecting malicious JavaScript code, these attackers can manipulate user sessions and execute harmful scripts within the context of a user's browser, leading to potential data theft or session hijacking.

References

https://github.com/OS4ED/openSIS-Classic/issues/189
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.