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    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 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.

    Published:Dec 9, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 9, 2020
    EPSS Score:0.00335
    CVSS Score:7.1

    Affected Products

    Vendor
    Phpoffice
    Product
    Phpspreadsheet

    Exploits

    https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856

    Related CVEs

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High