Cross-Site Scripting Vulnerability in GroupSession by ByCloud
CVE-2021-20787

4.8MEDIUM

Key Information:

Vendor

Japan Total System Co.,ltd.

Status
Groupsession
Vendor
CVE Published:
30 July 2021

What is CVE-2021-20787?

A Cross-Site Scripting vulnerability exists in GroupSession, allowing remote attackers to inject arbitrary scripts via specially crafted requests to specific URLs. This flaw affects multiple versions of GroupSession, including the Free edition, and could potentially compromise the integrity of user data and application functionality. To safeguard against this vulnerability, it is essential for users to upgrade to the latest versions as recommended by the vendor.

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Affected Version(s)

GroupSession GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0

References

https://groupsession.jp/info/info-news/security202107
x_refsource_MISC
https://jvn.jp/en/jp/JVN86026700/index.html
x_refsource_MISC

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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