MEDIUM · 6.1

CVE-2021-27340

OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.

Vulnerability Description

OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.

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

VendorProductVersions
Os4EdOpensis<= 7.6

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-27340?

CVE-2021-27340 is a vulnerability with a CVSS score of 6.1 (MEDIUM). OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.

How severe is CVE-2021-27340?

CVE-2021-27340 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-2021-27340?

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