Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS through the generateRow method. An attacker can execute arbitrary JavaScript code in the user's browser by crafting a malicious XML file that bypasses the XSS sanitizer when processed and rendered as HTML...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS due to improper input sanitization of the generateRowparameter in the \Writer\Html class. Remediation There is no fixed version for phpoffice/phpexcel. References - GitHub Commit Credit: Aleksey Solovev...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS due to improper input sanitization passed through the quantity parameter. PoC html history.pushState'', '', '/'; document.forms0.submit; Remediation There is no fixed version for phpoffice/phpexcel. References -...

XML External Entity (XXE)

phpoffice/phpexcel is vulnerable to an XXE XML External Entity. The vulnerability is due to improper parsing of XML data, which allows attackers to inject external entities and potentially access sensitive files or execute malicious code...

XML External Entity (XXE) Injection

Overview Affected versions of this package are vulnerable to XML External Entity XXE Injection due to the usage of improperly secured regular expressions in the scan and findCharSet methods of the XmlScanner class. By exploiting UCS-4 encoding and encoding guessing techniques, attackers can...

XML External Entity (XXE) Injection

Overview Affected versions of this package are vulnerable to XML External Entity XXE Injection due to the improper handling of XML input. An attacker can exfiltrate sensitive data or cause denial of service. Details XXE Injection is a type of attack against an application that parses XML input. X...

XML External Entity

Overview Affected versions of this package are vulnerable to XML External Entity. 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...