4.8

CVE-2021-20787

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
GroupsessionGroupsession SwEditionfree Version >= 2.20 < 5.1.0
GroupsessionGroupsession Bycloud Version >= 3.0.3 < 5.1.0
GroupsessionGroupsession Zion Version >= 3.0.3 < 5.1.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.41
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.8 1.7 2.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
nvd@nist.gov 3.5 6.8 2.9
AV:N/AC:M/Au:S/C:N/I:P/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.