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3 vulnerabilities by phpspreadsheet_project

CVE-2020-7776 (GCVE-0-2020-7776)

Vulnerability from cvelistv5 – Published: 2020-12-09 16:45 – Updated: 2024-09-16 19:39
VLAI
Title
Cross-site Scripting (XSS)
Summary
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.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N/E:P/RL:O/RC:C
CWE
  • Cross-site Scripting (XSS)
Assigner
References
Impacted products
Vendor Product Version
n/a phpoffice/phpspreadsheet Affected: 0.0.0 , < unspecified (custom)
Date Public
2020-12-09 00:00
Credits
Nikkolai Fernandez
Show details on NVD website
To clipboard 

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CVE-2019-12331 (GCVE-0-2019-12331)

Vulnerability from cvelistv5 – Published: 2019-11-07 14:03 – Updated: 2024-08-04 23:17
VLAI
Summary
PHPOffice PhpSpreadsheet before 1.8.0 has an XXE issue. The XmlScanner decodes the sheet1.xml from an .xlsx to utf-8 if something else than UTF-8 is declared in the header. This was a security measurement to prevent CVE-2018-19277 but the fix is not sufficient. By double-encoding the the xml payload to utf-7 it is possible to bypass the check for the string ‚<!ENTITY‘ and thus allowing for an xml external entity processing (XXE) attack.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2019-07-01 00:00
Show details on NVD website
To clipboard 

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CVE-2018-19277 (GCVE-0-2018-19277)

Vulnerability from cvelistv5 – Published: 2018-11-14 11:00 – Updated: 2024-08-05 11:30
VLAI
Summary
securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2018-11-14 00:00
Show details on NVD website
To clipboard 

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