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GoogleOSV:BIT-GITLAB-2021-39887

HistoryMar 06, 2024 - 11:18 a.m.

BIT-gitlab-2021-39887

2024-03-0611:18:25

Google

osv.dev

cross-site scripting

gitlab flavored markdown

arbitrary javascript

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.7%

JSON

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.

CPENameOperatorVersion
gitlablt14.3.1
gitlablt14.2.5
gitlabge8.4.0
gitlabge14.3.0
gitlabge14.2.0
gitlablt14.1.7

Name	Operator	Version
gitlab	lt	14.3.1
gitlab	lt	14.2.5
gitlab	ge	8.4.0
gitlab	ge	14.3.0
gitlab	ge	14.2.0
gitlab	lt	14.1.7

References

gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39887.json

gitlab.com/gitlab-org/gitlab/-/issues/332903

hackerone.com/reports/1218174

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.7%

JSON

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