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  5. CVE-2026-70588

CVE-2026-70588: Ghost: Cross-Site Scripting in Universal Import

August 4, 2026

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

References

  • github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e
  • github.com/TryGhost/Ghost/pull/29635
  • github.com/TryGhost/Ghost/releases/tag/v6.54.1
  • github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf
  • github.com/advisories/GHSA-2gx6-7gx2-wwcf
  • nvd.nist.gov/vuln/detail/CVE-2026-70588

Code Behaviors & Features

Detect and mitigate CVE-2026-70588 with GitLab Dependency Scanning

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Affected versions

All versions starting from 5.26.0 before 6.54.1

Fixed versions

  • 6.54.1

Solution

Upgrade to version 6.54.1 or above.

Impact 5 MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

npm/ghost/CVE-2026-70588.yml

Spotted a mistake? Edit the file on GitLab.

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