SB20260814117 - Multiple vulnerabilities in Ghost

Description

This security bulletin contains information about 3 vulnerabilities.

1) Insertion of Sensitive Information Into Sent Data (CVE-ID: N/A)

CWE-ID: CWE-201 - Insertion of Sensitive Information Into Sent Data

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to disclose API keys.

The vulnerability exists due to insertion of sensitive information into sent data in the Admin API when handling API key retrieval requests. A remote user can read API keys from the Admin API to disclose API keys.

2) Race condition (CVE-ID: N/A)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to create multiple accounts.

The vulnerability exists due to a race condition in accepting staff invitations when processing concurrent invitation acceptance requests. A remote user can send concurrent invitation acceptance requests to create multiple accounts.

3) Insertion of Sensitive Information Into Sent Data (CVE-ID: N/A)

CWE-ID: CWE-201 - Insertion of Sensitive Information Into Sent Data

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to insertion of sensitive information into sent data in the setup endpoint when handling requests. A remote attacker can query the endpoint to disclose sensitive information.

The disclosed information is the site owner\'s email address.

Remediation

Install update from vendor's website.

References

• https://github.com/TryGhost/Ghost/security/advisories/GHSA-q98w-jm4q-wch7
• https://github.com/TryGhost/Ghost/security/advisories/GHSA-vf9h-87xm-g767
• https://github.com/TryGhost/Ghost/security/advisories/GHSA-5685-hwm9-62cg