CVE-2026-70588: TryGhost Ghost · Cross-site Scripting
Affects TryGhost GhostSource CVE Database V5
Not known to be exploited · CVSS 5.0 Medium : upgrade to 6.54.1 when convenient.
Data as of 2 Nov 2026, 22:58 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 6.54.1
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:LExploitation evidence
Disclosed: evidence found.
CVE published 4 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.
What to do
Upgrade TryGhost Ghost to 6.54.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TryGhostGhost | Affected
| Fixed in
|
AI-suggested
Upgrade Ghost to version 6.54.1 or later, where the vulnerability has been fixed. Since no official remediation level or patch link is provided, users should verify the upgrade from the vendor's official release notes or advisory. No additional mitigation steps are specified.
Description
CVE-2026-70588 is a medium severity cross-site scripting (XSS) vulnerability in the Ghost content management system. The issue affects versions from 5.26.0 up to but not including 6.54.1. It arises from improper sanitization of imported content via the Universal Import feature in Ghost Admin, allowing malicious scripts to be injected into post content. The vulnerability is fixed in version 6.54.1.
References
- github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf (opens in a new tab)
- github.com/TryGhost/Ghost/pull/29635 (opens in a new tab)
- github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e (opens in a new tab)
- github.com/TryGhost/Ghost/releases/tag/v6.54.1 (opens in a new tab)