CVE-2020-7776: This affects the package phpoffice/phpspreadsheet from 0.0.0. The library is vulnerable to XSS when creating an html output from an excel file by adding a…

PriorityP432medium6.4CVSS 3.1

AVNACLPRLUINSCCLILAN

EPSS

1.30%

66.9th percentile

This affects the package phpoffice/phpspreadsheet from 0.0.0. The library is vulnerable to XSS when creating an html output from an excel file by adding a comment on any cell. The root cause of this issue is within the HTML writer where user comments are concatenated as part of link and this is returned as HTML. A fix for this issue is available on commit 0ed5b800be2136bcb8fa9c1bdf59abc957a98845/master branch.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
phpoffice	phpexcel	0 – 1.8.2	—
phpoffice	phpspreadsheet	< 1.16.0	1.16.0
phpoffice	phpspreadsheet	>= 0 < 1.16.0	1.16.0
phpoffice	phpspreadsheet	>= 0.0.0 < unspecified	unspecified

CVSS provenance

nvdv3.16.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

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