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CVE-2026-103278

Ghost 5.8.0 before 6.34.0 Staff Account Takeover via Admin iframe

CVSS 4.0 8.5 HIGHCVSS 3.1 7.3 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-103278

Published

Ghost versions 5.8.0 before 6.34.0 contain an input validation vulnerability in the admin iframe that allows attackers to take over staff user accounts. Attackers with content publishing privileges can craft malicious pages that, when visited by active staff users, enable account takeover through improper input validation.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-103278

Published

Ghost 5.8.0 before 6.34.0 Staff Account Takeover via Admin iframe

Ghost versions 5.8.0 before 6.34.0 contain an input validation vulnerability in the admin iframe that allows attackers to take over staff user accounts. Attackers with content publishing privileges can craft malicious pages that, when visited by active staff users, enable account takeover through improper input validation.

Source published
1 Oct 2026 10:42:15 UTC
Source modified
1 Oct 2026 14:36:29 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 8.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1 · 7.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

ChangeIntel

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Sources read 12 Nov 14:22 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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