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3.5
CVSSv2

CVE-2020-7776

Published: 09/12/2020 Updated: 19/01/2021
CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 6.4 | Impact Score: 2.7 | Exploitability Score: 3.1
VMScore: 312
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
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Vulnerability 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.

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References

CWE-79https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856https://github.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800be2136bcb8fa9c1bdf59abc957a98845https://github.com/PHPOffice/PhpSpreadsheet/blob/master/src/PhpSpreadsheet/Writer/Html.php%23L1792https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
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CVE-2023-7028memory leaklog injectionCVE-2024-3400CVE-2022-48695CVE-2022-48675CVE-2024-34487CVE-2024-33792spoof
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