CVE-2026-103277 — Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed
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. Attack…
Published: 2026-10-01 · CVSS: 8.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7