CVE-2026-24778: TryGhost Ghost · Cross-site Scripting
Affects TryGhost GhostSource CVE Database V5
Not known to be exploited · CVSS 8.8 High · fixed in 6.15.0 : patch TryGhost Ghost soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 6.15.0, 5.12.5, 5.12.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade tryghost/Ghost to 6.15.0, 5.12.5 or 5.12.4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TryGhostGhost | Affected
| Fixed in– |
GitHubtryghost/Ghostpkg:github/tryghost/GhostOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Upgrade Ghost CMS to version 5.121.0 or later if using the 5.x branch, or to 6.15.0 or later if using the 6.x branch, as these versions include patched Portal components.
- For installations using customized or self-hosted Portal versions, manually update or rebuild the Portal component to the latest patched version (Portal v2.51.5 or v2.57.1 respectively).
- Review and restrict user permissions to minimize the impact of compromised accounts, ensuring least privilege principles are enforced for staff and members.
- Implement Content Security Policy (CSP) headers to limit the execution of unauthorized scripts and reduce XSS impact.
- Educate users and staff about phishing risks and suspicious links to reduce the likelihood of user interaction with malicious URLs.
- Monitor web server and application logs for unusual activity, including unexpected JavaScript execution or anomalous user behavior.
- Consider deploying web application firewalls (WAF) with rules to detect and block XSS payloads targeting Ghost CMS endpoints.
- Regularly audit and sanitize user-generated content inputs and outputs to prevent injection of malicious code.
- Maintain an incident response plan to quickly isolate and remediate compromised accounts or systems if exploitation is suspected.
Description
CVE-2026-24778 is a high-severity cross-site scripting (XSS) vulnerability in the TryGhost Ghost CMS and its Portal component. It affects Ghost versions 5.43.0 through 5.12.04 and 6.0.0 through 6.14.0, as well as Portal versions 2.