CVE-2021-40637 — MEDIUM (6.1)

Vulnerability Description

OS4ED openSIS 8.0 is affected by cross-site scripting (XSS) in EmailCheckOthers.php. An attacker can inject JavaScript code to get the user's cookie and take over the working session of user.

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/199ExploitIssue TrackingThird Party Advisory
https://github.com/OS4ED/openSIS-Classic/issues/199ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2021-40637?

CVE-2021-40637 is a vulnerability with a CVSS score of 6.1 (MEDIUM). OS4ED openSIS 8.0 is affected by cross-site scripting (XSS) in EmailCheckOthers.php. An attacker can inject JavaScript code to get the user's cookie and take over the working session of user.

How severe is CVE-2021-40637?

CVE-2021-40637 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-2021-40637?

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