XSS in Groupsession
CVE-2021-20785
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Groupsession
- Groupsession Groupsession_bycloud
- Groupsession Groupsession_zion
- Japan Total System Co.,ltd. Groupsession — versions 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
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-20785?
- CVE-2021-20785 is a medium-severity vulnerability in Groupsession, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-07-30.
- How severe is CVE-2021-20785?
- Medium severity. CVSS v3 base score is 4.8 out of 10.