CVE-2020-7776 Cross-site Scripting (XSS)

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...

CVE-2020-7776

CVE-2020-7776 affects phpoffice/phpspreadsheet (0.0.0 and earlier): the HTML writer concatenates user comments into links when exporting to HTML from an Excel file, enabling XSS in HTML output. Root cause: HTML writer handling of cell comments. A fix is available in commit 0ed5b800be2136bcb8fa9c1...

PHPOffice PhpSpreadsheet Cross-Site Scripting Vulnerability

PHPOffice PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. A security vulnerability exists in version 0.0.0 of phpoffice/phpspreadsheet, which originates from the affected package phpoffice phpspreadsheet from 0.0.0. The library is susceptible to XSS attacks when creatin...

PT-2020-19785 · Phpoffice · Phpspreadsheet

Name of the Vulnerable Software and Affected Versions: phpoffice/phpspreadsheet versions 0.0.0 and earlier Description: 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 us...

CVE-2020-7776: Improper Neutralization of Input During Web Page Generation

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...

Cross-site Scripting (XSS)

Overview phpoffice/phpspreadsheet is a Spreadsheet engine that Read, Create and Write Spreadsheet documents in PHP . Affected versions of this package are vulnerable to Cross-site Scripting XSS. The library is vulnerable to XSS when creating an html output from an excel file by adding a comment o...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS. 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...

XXE in PHPSpreadsheet due to incomplete fix for previous encoding issue

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...

XXE in PHPSpreadsheet due to encoding issue

securityScan in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file...

XML External Entity (XXE)

PHPOffice PhpSpreadsheet is vulnerable to XXE. The fix to prevent CVE-2018-19277 was not sufficient to protect against the previous vulnerability. An attacker is able to bypass the mitigation by double-encoding the the XML payload into utf-7 and bypass the check for the string ?!ENTITY?...

CVE-2019-12331

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...

CVE-2019-12331

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...

Xxe

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...

CVE-2019-12331

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...

CVE-2019-12331

PHPOffice PhpSpreadsheet before 1.8.0 contains an XXE flaw in the XML handling of sheet1.xml. The XmlScanner decodes sheet1.xml to UTF-8 when a non-UTF-8 encoding is declared, and an attacker can double-encode payloads in UTF-7 to bypass the string check for , enabling XML External Entity (XXE) p...

PT-2019-12758 · Phpoffice · Phpoffice Phpspreadsheet

Name of the Vulnerable Software and Affected Versions: PHPOffice PhpSpreadsheet versions prior to 1.8.0 Description: The issue arises from the XmlScanner decoding sheet1.xml from an .xlsx file to utf-8 if a different encoding is declared in the header. This was initially intended as a security...

CVE-2019-12331: Improper Restriction of XML External Entity Reference

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...

PhpSpreadsheet 1.5.0 XXE vulnerability reproduction and analysis-vulnerability warning-the black bar safety net

0x01 introduction PhpSpreadsheet is a very popular pure PHP class library that allows you to easily read and write Excel, LibreOffic Calc and other spreadsheet file formats, is PHPExcel alternative. 2018 11 October 13, PhpSpreadsheet was broke presence of the XXE vulnerability, CVE-2018-19277, in...

PhpSpreadsheet XML External Entity Injection (CVE-2018-19277)

An XML external entity injection vulnerability exists in PhpSpreadsheet library. The vulnerability is due to a failure to properly handle external entity references in XML files. A successful exploitation of this vulnerability could result in the disclosure of file contents from the target system...

PhpSpreadsheet < 1.5.0 - XML External Entity (XXE) Vulnerability

Exploit for php platform in category web applications Product Description PhpSpreadsheet is a library written in pure PHP that provides a set of classes allowing users to read from and write to different spreadsheet file formats, such as Excel and LibreOffice Calc. Vulnerabilities List One...