GHSA-2gx6-7gx2-wwcf

Suggest an improvement
Source
https://github.com/advisories/GHSA-2gx6-7gx2-wwcf
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-2gx6-7gx2-wwcf/GHSA-2gx6-7gx2-wwcf.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-2gx6-7gx2-wwcf
Aliases
Published
2026-08-04T21:03:51Z
Modified
2026-08-17T08:10:43Z
Severity
  • 5.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L CVSS Calculator
Summary
Ghost: Cross-Site Scripting in Universal Import
Details

Impact

The Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content.

Vulnerable versions

This vulnerability is present in Ghost from v5.26.0 up to v6.54.0.

Patches

v6.54.1 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

Workarounds

If upgrading immediately is not possible, avoid using the Universal Import feature.

References

Ghost thanks meifukun for disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email us at security@ghost.org.

Database specific
{
    "cwe_ids":  [
        "CWE-79"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-08-04T21:03:51Z",
    "nvd_published_at":  null,
    "severity":  "MODERATE"
}
References

Affected packages

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
5.26.0
Fixed
6.54.1

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-2gx6-7gx2-wwcf/GHSA-2gx6-7gx2-wwcf.json"