CVE-2026-70588
Medium
Description
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.
SeverityMedium
CVSS5.0
Exploit probability—
Product
Ghost
PublishedAug 4, 2026
First seenAug 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- ghost6.54.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ghostnpm | 5.26.0 ≤ v < 6.54.1 | 6.54.1 |
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