CVE-2026-70588
published 2026-08-04CVE-2026-70588: 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…
PriorityP424medium5CVSS 3.1
AVNACHPRHUINSUCNIHAL
EPSS
0.43%
34.7th percentile
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
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ghost | ghost | >= 5.26.0 < 6.54.1 | 6.54.1 |
| tryghost | ghost | — | — |
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VulDB
TryGhost up to 6.54.0 Universal Import feature cross site scripting
vuldb·2026-08-04·CVSS 5.0
CVE-2026-70588 [MEDIUM] TryGhost up to 6.54.0 Universal Import feature cross site scripting
A vulnerability was found in TryGhost Ghost up to 6.54.0. It has been rated as problematic. Impacted is an unknown function of the component Universal Import feature. The manipulation leads to cross site scripting.
This vulnerability is listed as CVE-2026-70588. The attack may be initiated remotely. There is no available exploit.
Upgrading the affected component is advised.
GHSA
Ghost: Cross-Site Scripting in Universal Import
ghsa·2026-08-04
CVE-2026-70588 [MEDIUM] CWE-79 Ghost: Cross-Site Scripting in Universal Import
Ghost: Cross-Site Scripting in Universal Import
### 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](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost).
If your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update).
### Workarounds
If upgrading immediately is not possible, avoid using the Universal Import
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-04
Published