Cyber Risks · Cisco Talos

Vulnerability Spotlight: Authentication bypass and enumeration vulnerabilities in Ghost CMS

Summary: Cisco Talos discovered two vulnerabilities in Ghost CMS: TALOS-2022-1624 (CVE-2022-41654), an authentication bypass that lets external users update newsletter preferences too liberally, potentially granting full access to create and modify newsletters including the default sent to all members, and TALOS-2022-1625 (CVE-2022-41697), an enumeration vulnerability in the login functionality that can disclose sensitive information. Talos worked with Ghost on fixes and confirmed Ghost 5.9.4 could be exploited by these vulnerabilities, with Snort rule 60770 detecting exploitation attempts.

What's compelling: An authentication bypass that reaches the default newsletter sent to every member puts an attacker in front of your entire subscriber list, not just a single account.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2022-41654CVE-2022-41697
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