CVE-2021-40542 — MEDIUM (6.1)

Vulnerability 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.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Os4Ed	Opensis	8.0

Related Weaknesses (CWE)

CWE-79

References

https://github.com/OS4ED/openSIS-Classic/issues/189ExploitIssue TrackingThird Party Advisory
https://github.com/OS4ED/openSIS-Classic/issues/189ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2021-40542?

CVE-2021-40542 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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.

How severe is CVE-2021-40542?

CVE-2021-40542 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40542?

Check the references section above for vendor advisories and patch information. Affected products include: Os4Ed Opensis.