GHSA-GHG6-32F9-2JP7 XXE in PHPSpreadsheet encoding is returned

Summary Bypassing the filter allows a XXE-attack. Which is turn allows attacker to obtain contents of local files, even if error reporting muted by @ symbol. LFI-attack Details Check $pattern = '/encoding=".?"/'; easy to bypass. Just use a single quote symbol '. So payload looks like this:...

GHSA-WGMF-Q9VR-VWW6 PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via style information

Summary \PhpOffice\PhpSpreadsheet\Writer\Html doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. PoC Example target script: loadDIR . '/book.xlsx'; $writer = new \PhpOffice\PhpSpreadsheet\Writer\Html$spreadsheet;...

PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via style information

Summary \PhpOffice\PhpSpreadsheet\Writer\Html doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. PoC Example target script: loadDIR . '/book.xlsx'; $writer = new \PhpOffice\PhpSpreadsheet\Writer\Html$spreadsheet;...

Cross Site Scripting

phpoffice/phpspreadsheet is vulnerable to Cross Site ScriptingXSS. The vulnerability is due to insufficient sanitization of spreadsheet styling information by \PhpOffice\PhpSpreadsheet\Writer\Html, which fails to remove or neutralize potentially harmful content before rendering it in HTML. It...

Local File Bypass

phpoffice/phpspreadsheet is vulnerable to Local File Bypass. The vulnerability is due to improper validation and handling of XML input within XmlScanner.php, which allows attackers to exploit XXE to access local file contents...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS due to missing sanitization of the spreadsheet styling information, via the \PhpOffice\PhpSpreadsheet\Writer\Html component. PoC php loadDIR . '/book.xlsx'; $writer = new...

CVE-2024-45046

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In affected versions \PhpOffice\PhpSpreadsheet\Writer\Html doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. As a result an attacker...

CVE-2024-45048

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions are subject to a bypassing of a filter which allows for an XXE-attack. This in turn allows attacker to obtain contents of local files, even if error reporting is muted. This vulnerability has been...

CVE-2024-45046 PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via style information

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In affected versions \PhpOffice\PhpSpreadsheet\Writer\Html doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. As a result an attacker...

CVE-2024-45046 PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via style information

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In affected versions \PhpOffice\PhpSpreadsheet\Writer\Html doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. As a result an attacker...

CVE-2024-45046

Technical details about CVE-2024-45046 are not publicly provided in the documents you shared. No explicit affected products/versions, impact, or remediation are stated here. Monitor for updates from the sources for concrete information.

CVE-2024-45046 PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via style information

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In affected versions \PhpOffice\PhpSpreadsheet\Writer\Html doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. As a result an attacker...

CVE-2024-45048 XML External Entity Reference (XXE) in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions are subject to a bypassing of a filter which allows for an XXE-attack. This in turn allows attacker to obtain contents of local files, even if error reporting is muted. This vulnerability has been...

CVE-2024-45048 XML External Entity Reference (XXE) in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions are subject to a bypassing of a filter which allows for an XXE-attack. This in turn allows attacker to obtain contents of local files, even if error reporting is muted. This vulnerability has been...

CVE-2024-45048

CVE-2024-45048 (PHPSpreadsheet) : A bypass of a filter in affected PHPSpreadsheet versions enables an XXE attack, allowing access to local file contents even when error reporting is muted. The vulnerability is fixed in release 2.2.1; all users should upgrade to that version. Impact is described a...

CVE-2024-45048 XML External Entity Reference (XXE) in PHPSpreadsheet

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions are subject to a bypassing of a filter which allows for an XXE-attack. This in turn allows attacker to obtain contents of local files, even if error reporting is muted. This vulnerability has been...

PHPSpreadsheet 安全漏洞

PhpSpreadsheet is an open source PHP library for reading and writing spreadsheet files from PHPOffice. A security vulnerability exists in PHPSpreadsheet, which stems from PhpOfficePhpSpreadsheetWriterHtml does not clean up spreadsheet style information...

PT-2024-31399

Name of the Vulnerable Software and Affected Versions PHPSpreadsheet versions prior to 2.2.1 Description The issue allows for a bypassing of a filter, enabling an XXE-attack. This attack can obtain contents of local files, even if error reporting is muted. Technical details about exploitation...

PT-2024-31397 · Phpoffice · Phpspreadsheet

Name of the Vulnerable Software and Affected Versions: PHPSpreadsheet versions prior to 2.1.0 Description: The issue concerns the PhpOfficePhpSpreadsheetWriterHtml component, which fails to sanitize spreadsheet styling information, such as font names. This allows an attacker to inject arbitrary...

PhpSpreadsheet 安全漏洞

PhpSpreadsheet is an open source PHP library from PHPOffice for reading and writing spreadsheet files. A security vulnerability exists in PhpSpreadsheet that stems from the ability to bypass the XXE filter...