CVE-2026-103277
Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the…
- Risk score
- 57/100
- CVSS
- 8.1 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 1 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially compromising administrat…
- Affected
- See advisory
- Fix
- Upgrade the product to 6.34.0 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.1 high
- Remotely exploitable without logging in
References
Original description
Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially compromising administrative access.
Last activity 1 Oct 2026. Patch Forecast updates every hour.