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Veracode Vulnerability DatabaseVERACODE:42332

HistoryAug 06, 2023 - 2:38 p.m.

Cross-Site Scripting (XSS)

2023-08-0614:38:02

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

cross-site scripting

gitlab

vulnerability

guest user

permissions

exploit

malicious javascript

browser

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.001

Percentile

29.6%

JSON

gitlab is vulnerable to Cross-Site Scripting (XSS) attacks. This vulnerability occurs due to a flaw in the way that GitLab handles guest user permissions. An attacker can exploit this vulnerability to inject and execute malicious javascript on victim’s browser.

References

gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json

gitlab.com/gitlab-org/gitlab/-/issues/326948

hackerone.com/reports/1117768

security-tracker.debian.org/tracker/CVE-2021-22256

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.001

Percentile

29.6%

JSON

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