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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Type: advisorySource: OSV1 source record

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to execute arbitrary JavaScript in the context of a targeted user's session due to improper sanitization of pasted HTML content in the Content Editor.

Announced Group revision 1
Original source ↗

BIT-gitlab-2026-19619

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:BIT-gitlab-2026-19619

gitlab

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
19.1.8

Source reference: /affected/0/ranges

19.2.6

Source reference: /affected/0/ranges

19.3.2

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "SEMVER",
        "events": [
          {
            "introduced": "19.0.0"
          },
          {
            "fixed": "19.1.8"
          },
          {
            "introduced": "19.2.0"
          },
          {
            "fixed": "19.2.6"
          },
          {
            "introduced": "19.3.0"
          },
          {
            "fixed": "19.3.2"
          }
        ]
      }
    ],
    "package": {
      "name": "gitlab",
      "purl": "pkg:bitnami/gitlab",
      "ecosystem": "Bitnami"
    },
    "severity": [
      {
        "type": "CVSS_V3",
        "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"
      }
    ],
    "database_specific": {
      "source": "https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2026-19619.json"
    }
  }
]
Related CVEs
CVE-2026-19619

Source reference: /aliases

Publisher severity

medium

Source reference: /database_specific/severity

Event
#25928 · Revision 1
Added to Heist Feed
Publisher date
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