Cross-site Scripting (XSS) Affecting gitlab package, versions <15.10.8+ds1-2


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.09% (40th percentile)

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  • Snyk ID SNYK-DEBIANUNSTABLE-GITLAB-5702002
  • published 12 Jun 2023
  • disclosed 5 Apr 2023

How to fix?

Upgrade Debian:unstable gitlab to version 15.10.8+ds1-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab package and not the gitlab package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An issue has been discovered in GitLab affecting all versions starting from 12.8 before 15.8.5, all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. A specially crafted payload could lead to a reflected XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims on self-hosted instances running without strict CSP.

CVSS Scores

version 3.1
Expand this section

NVD

Recommended
6.1 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Changed
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None