MEDIUMCVSS v3.1 4.2Vulnerability
CVE-2026-128348
ExcelJS through 4.4.0 contains a formula injection vulnerability in the totals row formula getter in lib/doc/table.js that fails to escape [, ], # and ' characters in structured reference column names. Attackers can supply column names containing ] via untrusted input like imported CSV headers to inject formulas such as HYPERLINK that exfiltrate cell values when users open and click the generated workbook.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Epss score
- 0.00296
- Cvss severity
- MEDIUM
- Cvss score
- 4.2
- Retrieved at
- 2026-11-14T00:51:03+00:00
- Last source
- FIRST EPSS
- Score
- 4.2
- Cvss version
- 3.1
- Cve id
- CVE-2026-128348
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
- First seen by Signal
- 2026-11-13T17:31:47+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
- Published at
- 2026-11-13T10:18:15.580
- Last modified
- 2026-11-13T18:17:38.197
- Epss percentile
- 0.22473
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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