CVE-2020-13271

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

A Stored Cross-Site Scripting vulnerability allowed the execution of arbitrary Javascript code in the blobs API in all previous GitLab CE/EE versions through 13.0.1

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
GitLab	GitLab	<12.9.8; >=12.10, <12.10.7; >=13.0, <13.0.1

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13271.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/200094Broken Link, Vendor Advisory
https://hackerone.com/reports/672150Permissions Required, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13271.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/200094Broken Link, Vendor Advisory
https://hackerone.com/reports/672150Permissions Required, Third Party Advisory

Timeline

Published: Jun 10, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-132728.8OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow CVE-2020-132737.5A Denial of Service vulnerability allowed exhausting the system resources in GitLab CE/EE 12.0 and later through 13.0.1 CVE-2020-132747.5A security issue allowed achieving Denial of Service attacks through memory exhaustion by uploading malicious artifacts in all previous GitL CVE-2020-132758.1A user with an unverified email address could request an access to domain restricted groups in GitLab EE 12.2 and later through 13.0.1 CVE-2020-132764.3User is allowed to set an email as a notification email even without verifying the new email in all previous GitLab CE/EE versions through 1 CVE-2020-132776.5An authorization issue in the mirroring logic allowed read access to private repositories in GitLab CE/EE 10.6 and later through 13.0.5 CVE-2020-132786.1Reflected Cross-Site Scripting vulnerability in Modules.php in RosarioSIS Student Information System < 6.5.1 allows remote attackers to exec CVE-2020-132798.6Client side code execution in gitlab-vscode-extension v2.2.0 allows attacker to execute code on user system CVE-2020-132806.5For GitLab before 13.0.12, 13.1.6, 13.2.3 a memory exhaustion flaw exists due to excessive logging of an invite email error message.CVE-2020-132816.5For GitLab before 13.0.12, 13.1.6, 13.2.3 a denial of service exists in the project import feature CVE-2020-132823.5For GitLab before 13.0.12, 13.1.6, 13.2.3 after a group transfer occurs, members from a parent group keep their access level on the subgroup CVE-2020-132835.4For GitLab before 13.0.12, 13.1.6, 13.2.3 a cross-site scripting vulnerability exists in the issues list via milestone title.