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5.4
CVSSv3

CVE-2021-39885

Published: 04/10/2021 Updated: 06/10/2022
CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 5.4 | Impact Score: 2.7 | Exploitability Score: 2.3
VMScore: 312
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
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Vulnerability Summary

A Stored XSS in merge request creation page in all versions of Gitlab EE starting from 13.7 prior to 14.1.7, all versions starting from 14.2 prior to 14.2.5, and all versions starting from 14.3 prior to 14.3.1 allows an malicious user to execute arbitrary JavaScript code on the victim's behalf via malicious approval rule names

Vulnerability Trend

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gitlab gitlab

gitlab gitlab 14.3.0

Vendor Advisories

Arch Linux Issues:
A Stored cross-site scripting security issue in merge request creation page in Gitlab EE version 135 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf via malicious approval rule names ...

References

CWE-79https://hackerone.com/reports/1342009https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39885.jsonhttps://gitlab.com/gitlab-org/gitlab/-/issues/341140https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-39885
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-34377CVE-2024-20859CVE-2023-49606injectarbitrary CVE-2024-33788CVE-2024-30973IDORCVE-2024-33907
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