Spreadsheet formula execution via unescaped member fields
Published May 22, 2024 · Updated Feb 13, 2025
CSV injection in Ghost before 5.82.0 allows remote attackers to place executable formulas in exported member data. The members-csv unparse function passed attacker-controlled registration fields to Papa Parse without enabling formula escaping, so leading formula characters remained active in the generated file. Exploitation requires a staff member to export the member list and open it in spreadsheet software that evaluates formulas, where the payload executes in that user's context.
Summary
What happened
CSV injection in Ghost before 5.82.0 allows remote attackers to place executable formulas in exported member data. The members-csv unparse function passed attacker-controlled registration fields to Papa Parse without enabling formula escaping, so leading formula characters remained active in the generated file. Exploitation requires a staff member to export the member list and open it in spreadsheet software that evaluates formulas, where the payload executes in that user's context.
The record
- CVE
- CVE-2024-34448
- Published
- May 22, 2024
- Updated
- Feb 13, 2025
- Vendor
- Ghost Foundation
- Product
- Ghost
- Classifications
- CWE-74, T1204.002
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 22, 2024CVE publishedPublication date reported by the CVE source.
- Feb 13, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <5.82.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- CVE-2024-34448 video proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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