CVE-2021-20787 Details
Description
Cross-site scripting vulnerability in 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) allows a remote attacker to inject an arbitrary script by sending a specially crafted request to a specific URL.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://groupsession.jp/info/info-news/security202107 | CVE | Vendor Advisory |
| https://jvn.jp/en/jp/JVN86026700/index.html | CVE | Third Party Advisory |
| https://groupsession.jp/info/info-news/security202107 | [email protected] | Vendor Advisory |
| https://jvn.jp/en/jp/JVN86026700/index.html | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| groupsession groupsession | >= 2.20, < 5.1.0 |
CPE
Remediation
| |
| groupsession groupsession bycloud | >= 3.0.3, < 5.1.0 |
CPE
Remediation
| |
| groupsession groupsession zion | >= 3.0.3, < 5.1.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Aug 6, 2021 | Reanalysis | [email protected] |
| Aug 6, 2021 | Initial Analysis | [email protected] |