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CVE-2023-6371 (GCVE-0-2023-6371)

Vulnerability from cvelistv5 – Published: 2024-03-28 07:18 – Updated: 2026-05-08 04:06
VLAI
Title
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Summary
An issue has been discovered in GitLab CE/EE affecting all versions before 16.8.5, all versions starting from 16.9 before 16.9.3, all versions starting from 16.10 before 16.10.1. A wiki page with a crafted payload may lead to a Stored XSS, allowing attackers to perform arbitrary actions on behalf of victims.
Severity
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-17 15:37 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
URL Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/433021 issue-trackingpermissions-required
https://hackerone.com/reports/2257080 technical-descriptionexploit
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: 0.0 , < 16.8.5 (semver)
Affected: 16.9 , < 16.9.3 (semver)
Affected: 16.10 , < 16.10.1 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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              "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
              "vendor": "GitLab",
              "versions": [
                {
                  "lessThan": "16.8.5",
                  "status": "affected",
                  "version": "0.0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "16.9.3",
                  "status": "affected",
                  "version": "16.9",
                  "versionType": "semver"
                },
                {
                  "lessThan": "16.10.1",
                  "status": "affected",
                  "version": "16.10",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "An issue has been discovered in GitLab CE/EE affecting all versions before 16.8.5, all versions starting from 16.9 before 16.9.3, all versions starting from 16.10 before 16.10.1. A wiki page with a crafted payload may lead to a Stored XSS, allowing attackers to perform arbitrary actions on behalf of victims."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-79",
                  "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-08T04:06:58.687Z",
            "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
            "shortName": "GitLab"
          },
          "references": [
            {
              "name": "GitLab Issue #433021",
              "tags": [
                "issue-tracking",
                "permissions-required"
              ],
              "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/433021"
            },
            {
              "name": "HackerOne Bug Bounty Report #2257080",
              "tags": [
                "technical-description",
                "exploit"
              ],
              "url": "https://hackerone.com/reports/2257080"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Upgrade to versions 16.10.1, 16.9.3, 16.8.5 or above."
            }
          ],
          "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "assignerShortName": "GitLab",
        "cveId": "CVE-2023-6371",
        "datePublished": "2024-03-28T07:18:03.820Z",
        "dateReserved": "2023-11-28T18:01:05.805Z",
        "dateUpdated": "2026-05-08T04:06:58.687Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.