Vulnerability · Published Aug 4, 2026 · Assigned by GitHub_M
CVE-2026-70588Ghost: Cross-Site Scripting in Universal Import
Medium 5.0
In plain English
A medium-severity cross-site scripting in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)0.4%top 62.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | ghost | 6.54.1 | GHSA-2gx6-7gx2-wwcf |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf x_refsource_CONFIRM
- https://github.com/TryGhost/Ghost/pull/29635 x_refsource_MISC
- https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e x_refsource_MISC
- https://github.com/TryGhost/Ghost/releases/tag/v6.54.1 x_refsource_MISC