CVE-2021-32012

SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service memory consumption via a crafted .xlsx document that is mishandled when read by xlsx.js issue 1 of 2...

CVE-2024-45290

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file which links media from external URLs. When opening the XLSX file, PhpSpreadsheet retrieves the image size and type by reading the file contents, if the provided...

Cross-Site Scripting (XSS)

PhpSpreadsheet is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper sanitization or escaping of user input when converting XLSX files into HTML, allows malicious scripts to be embedded in the file content and executed in the context of the user's browser...

CVE-2025-22131 Cross-Site Scripting (XSS) vulnerability in generateNavigation() function

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Cross-Site Scripting XSS vulnerability in the code which translates the XLSX file into a HTML representation and displays it in the response...

XXE in PHPSpreadsheet's XLSX reader

Summary The XmlScanner class has a scan method which should prevent XXE attacks. However, we found another bypass than the previously reported CVE-2024-47873, the regexes from the findCharSet method, which is used for determining the current encoding can be bypassed by using a payload in the...

CVE-2024-48917 XXE in PHPSpreadsheet's XLSX reader

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. The XmlScanner class has a scan method which should prevent XXE attacks. However, in a bypass of the previously reported CVE-2024-47873, the regexes from the findCharSet method, which is used for determining the current...

CVE-2024-48917 XXE in PHPSpreadsheet's XLSX reader

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. The XmlScanner class has a scan method which should prevent XXE attacks. However, in a bypass of the previously reported CVE-2024-47873, the regexes from the findCharSet method, which is used for determining the current...

MAL-2024-9441 Malicious code in unity-xlsx (npm)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis c00dae819c9f67995c5364676a4b71e58196df002687ac1e333816c86e0bd53d The OpenSSF Package Analysis project identified 'unity-xlsx' @ 0.1.0 npm as malicious. It is considered malicious because: - The package...

Malicious code in unity-xlsx (npm)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis c00dae819c9f67995c5364676a4b71e58196df002687ac1e333816c86e0bd53d The OpenSSF Package Analysis project identified 'unity-xlsx' @ 0.1.0 npm as malicious. It is considered malicious because: - The package...

CVE-2024-45290

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file which links media from external URLs. When opening the XLSX file, PhpSpreadsheet retrieves the image size and type by reading the file contents, if the provided...

CVE-2024-45291

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file that links images from arbitrary paths. When embedding images has been enabled in HTML writer with $writer-setEmbedImagestrue; those files will be included in th...

CVE-2024-45293

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. The security scanner responsible for preventing XXE attacks in the XLSX reader can be bypassed by slightly modifying the XML structure, utilizing white-spaces. On servers that allow users to upload their own Excel XLS...

CVE-2024-45290 Path traversal and Server-Side Request Forgery when opening XLSX files in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file which links media from external URLs. When opening the XLSX file, PhpSpreadsheet retrieves the image size and type by reading the file contents, if the provided...

CVE-2024-45290 Path traversal and Server-Side Request Forgery when opening XLSX files in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file which links media from external URLs. When opening the XLSX file, PhpSpreadsheet retrieves the image size and type by reading the file contents, if the provided...

CVE-2024-45290

PhpSpreadsheet (PHPSpreadsheet) is affected by CVE-2024-45290 through its XLSX reading flow. When opening an XLSX, the library may pass a URL path to the image-dimension/TYPE check, and with crafted php://filter URLs, an attacker can leak file contents or remote resources. The underlying root cau...

CVE-2024-45290 Path traversal and Server-Side Request Forgery when opening XLSX files in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file which links media from external URLs. When opening the XLSX file, PhpSpreadsheet retrieves the image size and type by reading the file contents, if the provided...

CVE-2024-45291

PHPSpreadsheet (PHPSpreadsheet) contains a path traversal/SRV (Server-Side Request Forgery) vulnerability in the HTML writer when embedImages is enabled. An XLSX can link images from arbitrary paths; output data: URLs may include local files and, with wrappers like expect://, enable remote reques...

CVE-2024-45291 Path traversal and Server-Side Request Forgery in HTML writer when embedding images is enabled in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file that links images from arbitrary paths. When embedding images has been enabled in HTML writer with $writer-setEmbedImagestrue; those files will be included in th...

CVE-2024-45291 Path traversal and Server-Side Request Forgery in HTML writer when embedding images is enabled in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file that links images from arbitrary paths. When embedding images has been enabled in HTML writer with $writer-setEmbedImagestrue; those files will be included in th...

CVE-2024-45293 XML External Entity Reference (XXE) in PHPSpreadsheet's XLSX reader

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. The security scanner responsible for preventing XXE attacks in the XLSX reader can be bypassed by slightly modifying the XML structure, utilizing white-spaces. On servers that allow users to upload their own Excel XLS...