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Search Results (5 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-78209 | 1 Exceljs Project | 1 Exceljs | 2026-08-24 | 8.2 High |
| exceljs-hardened versions before 5.0.0 fail to neutralize leading equals, plus, minus, or at signs in cell values written to CSV output. Attackers who can influence exported cell values can inject formulas that execute when the CSV file is opened in a spreadsheet application, potentially exfiltrating data or performing other malicious actions. | ||||
| CVE-2026-78208 | 1 Exceljs Project | 1 Exceljs | 2026-08-24 | 7.5 High |
| exceljs-hardened before 5.0.0 contains a path traversal vulnerability in the Workbook.addImage() function that fails to validate file paths. Attackers can supply arbitrary file paths to read any file accessible to the Node.js process and embed it in the generated workbook. | ||||
| CVE-2026-78207 | 1 Exceljs Project | 1 Exceljs | 2026-08-24 | 9.4 Critical |
| exceljs-hardened before 5.0.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject __proto__, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious __proto__ property to cell notes, modifying Object.prototype and affecting all plain objects created in the process. | ||||
| CVE-2026-78206 | 1 Exceljs Project | 1 Exceljs | 2026-08-24 | 7.5 High |
| exceljs-hardened before 5.0.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service. | ||||
| CVE-2018-16459 | 1 Exceljs Project | 1 Exceljs | 2024-11-21 | N/A |
| An unescaped payload in exceljs <v1.6 allows a possible XSS via cell value when worksheet is displayed in browser. | ||||
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