CVE-2026-105650 Ghost: Stored XSS via oEmbed Photo Responses
Attackers can inject malicious scripts via oEmbed responses, potentially compromising admin sessions in the Ghost CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-105650?
CVE-2026-105650 is a high-severity cross-site scripting vulnerability in TryGhost Ghost, published on 5 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Ghost is a Node.js content management system. From 2.1.0 until 6.64.0, embedding a URL from an attacker-controlled website could result in untrusted scripts being stored in post content. These scripts could run in the Ghost editor, on the published site, and in newsletter emails, possibly resulting in compromise of a staff user's admin session. This issue is fixed in version 6.64.0.
Which versions are affected by CVE-2026-105650?
How do I fix CVE-2026-105650?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-105650 being exploited?
There is no known exploitation of CVE-2026-105650 in the wild and no public exploit code.
Sources
Also known as MINI-crqg-pjcr-4cmp.