Patch Forecast
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CVE-2026-103266

Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without…

Risk score
52/100
CVSS
7.1 v3.1
Exploit chance (30 days)
0.3%
Published
1 Oct 2026

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What to know

What it is
Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without authentication, to abuse the Stripe Checkout flow to attach a paid subscription to an existing member, modify that member's name, and inject content into newsletters sent to the member. Depending on the recipient's email client, the…
Affected
See advisory
Fix
Upgrade the product to 6.62.0 or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 7.1 high
  • Remotely exploitable without logging in

References

Original description

Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without authentication, to abuse the Stripe Checkout flow to attach a paid subscription to an existing member, modify that member's name, and inject content into newsletters sent to the member. Depending on the recipient's email client, the injected content may be rendered, resulting in HTML injection or cross-site scripting (XSS).

Last activity 1 Oct 2026. Patch Forecast updates every hour.