MEDIUMCVSS 5.0EPSS 0.3%

CVE-2026-70588

CVE-2026-70588 updated by NVD

Published: 2026-08-04
Modified: 2026-09-10
EPSS percentile: 18%
Sources: github-advisory, nvd

Summary

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
npm	ghost	—	6.54.1

Remediation: Upgrade to 6.54.1 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-70588

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.