CVE-2026-103277: Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed
TryGhost · Ghost
Fixed in 6.34.0 · Affected: TryGhost Ghost before 6.34.0 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 19% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- TryGhost · Ghostfrom 2.5.0 before 6.34.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Cross-site Scripting
- Vendor
- TryGhost
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-103277 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.