What’s Vulnerable › Vulnerabilities

CVE-2026-70588: Ghost: Cross-Site Scripting in Universal Import

• Severity: medium (CVSS 5.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-04 · updated 2026-10-24
• Weakness: CWE-79

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 products

• TryGhost Ghost: from 5.26.0, < 6.54.1

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

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