Cross-Site Scripting Vulnerability in OS4ED openSIS 8.0
CVE-2021-40637

6.1MEDIUM

Key Information:

Vendor

Os4ed

Status
Opensis
Vendor
CVE Published:
3 March 2022

What is CVE-2021-40637?

A vulnerability exists in OS4ED openSIS 8.0, where improper validation in EmailCheckOthers.php allows attackers to inject malicious JavaScript. By exploiting this security flaw, an attacker could execute arbitrary scripts in the context of a user's session, leading to potential theft of sensitive information such as cookies. This could facilitate unauthorized access and compromise user accounts, underscoring the necessity for immediate remediation and enhanced security measures.

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References

https://github.com/OS4ED/openSIS-Classic/issues/199
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

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