Ubuntu.comUB:CVE-2021-39887CVE-2021-39887
3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
7.3 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
0.001 Low
EPSS
Percentile
40.7%
A stored Cross-Site Scripting vulnerability in the GitLab Flavored Markdown
in GitLab CE/EE version 8.4 and above allowed an attacker to execute
arbitrary JavaScript code on the victim’s behalf.
References
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39887.json
gitlab.com/gitlab-org/gitlab/-/issues/332903
hackerone.com/reports/1218174
launchpad.net/bugs/cve/CVE-2021-39887
nvd.nist.gov/vuln/detail/CVE-2021-39887
security-tracker.debian.org/tracker/CVE-2021-39887
www.cve.org/CVERecord?id=CVE-2021-39887
Related
3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
7.3 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
0.001 Low
EPSS
Percentile
40.7%