VulnerabilityDeferred

CVE-2026-70588

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.

MEDIUM 5.0EPSS 0.26%

Does this matter?

Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 5.0 MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L
EPSS: 0.26% probability · 18th percentile
CISA KEV: Not listed
Weakness: CWE-79
Source: security-advisories@github.com

References

https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e
https://github.com/TryGhost/Ghost/pull/29635
https://github.com/TryGhost/Ghost/releases/tag/v6.54.1
https://github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.