CVE-2026-128348
LOW
INFO
Priority: 0.01
BB Relevance:
45/100
Published: 2026-11-13
Modified: 2026-11-13
First seen: 2026-11-13
Status: active
Attack Surface
Network
No Auth
CVSS Vector Breakdown
AV:
Network
AC:
High
PR:
None
UI:
Passive
S:
X
AT:
Present
VC:
Low
VI:
Low
VA:
None
Description
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.
Weakness Classification (1)
References & Advisories (4)
third-party-advisory
third-party-advisory
technical-description
product