Spreadsheet::ParseExcel Remote Code Execution Vulnerability

Added to KEV
2024-01-02
Federal due date
2024-01-23
Vendor
Spreadsheet::ParseExcel
Product
Spreadsheet::ParseExcel
EPSS
98.1th percentile (score 0.557, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-7101

CISA short description

Spreadsheet::ParseExcel contains a remote code execution vulnerability due to passing unvalidated input from a file into a string-type “eval”. Specifically, the issue stems from the evaluation of Number format strings within the Excel parsing logic.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.