CVE-2026-70588CWE-79cross-site-scripting

CVE-2026-70588

Medium · published August 5, 2026

CVSS v3.1
5.0
EPSS
0%
Percentile
35.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00427 · 35.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-05T01:16Z
References (4)
https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e · [email protected]https://github.com/TryGhost/Ghost/pull/29635 · [email protected]https://github.com/TryGhost/Ghost/releases/tag/v6.54.1 · [email protected]https://github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf · [email protected]
EPSS history
Timeline
  • 04 AUG 21:03Z
    Ghost: Cross-Site Scripting in Universal Import
    cvelistv5