TryGhost up to 6.54.1 Post Feedback cross-site request forgery

Summaryinfo

A vulnerability was found in TryGhost Ghost. It has been classified as problematic. The affected element is an unknown function of the component Post Feedback. This manipulation causes cross-site request forgery. This vulnerability is tracked as CVE-2026-103285. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in TryGhost Ghost and classified as problematic. Affected by this vulnerability is an unknown code block of the component Post Feedback. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. The summary by CVE is:

Ghost versions from 5.19.0 before 6.57.1 contain a cross-site request forgery vulnerability in the post feedback functionality that allows attackers to submit feedback on behalf of logged-in users. Attackers can craft a malicious link to the feedback page that automatically submits feedback when visited by authenticated members without their knowledge or consent.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-103285 since 09/30/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 6.57.1 eliminates this vulnerability.

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Productinfo

Vendor

• TryGhost

Name

• Ghost

Version

• 0.5.0
• 2.10.0
• 3.1.0
• 5.89.5
• 5.130.6
• 6.10
• 6.11.0
• 6.19.1
• 6.19.3
• 6.20.0
• 6.21.1
• 6.21.2
• 6.22
• 6.23.0
• 6.34.0
• 6.37.0
• 6.44.0
• 6.44.1
• 6.50.0
• 6.54.1

Website

• Product: https://github.com/TryGhost/Ghost/

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