Description
Open redirect 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 redirect a user to an arbitrary web site and conduct a phishing attack via a specially crafted URL.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://groupsession.jp/info/info-news/security202107
Third Party Advisory x_refsource_misc
https://jvn.jp/en/jp/JVN86026700/index.html
Scores
CVSS v3
6.1
EPSS
0.0087
EPSS Percentile
54.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-601
Status
published
Products (3)
groupsession/groupsession
2.20 - 5.1.0
groupsession/groupsession_bycloud
3.0.3 - 5.1.0
groupsession/groupsession_zion
3.0.3 - 5.1.0
Published
Jul 30, 2021
Tracked Since
Feb 18, 2026