Vulnerability · Published Jan 3, 2025 · Assigned by GitHub_M
CVE-2024-56366PhpSpreadsheet vulnerable to unauthorized reflected XSS in the Accounting.php file
High 8.3
In plain English
A high-severity cross-site scripting in PhpSpreadsheet from PHPOffice. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 are vulnerable to unauthorized reflected cross-site scripting in the `Accounting.php` file. Using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Accounting.php` script, an attacker can perform a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | phpoffice/phpexcel | no fix listed | GHSA-c6fv-7vh8-2rhr |
| Packagist | phpoffice/phpspreadsheet | 3.7.0 | GHSA-c6fv-7vh8-2rhr |
| Packagist | phpoffice/phpspreadsheet | 1.29.7 | GHSA-c6fv-7vh8-2rhr |
| Packagist | phpoffice/phpspreadsheet | 2.1.6 | GHSA-c6fv-7vh8-2rhr |
| Packagist | phpoffice/phpspreadsheet | 2.3.5 | GHSA-c6fv-7vh8-2rhr |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PHPOffice | PhpSpreadsheet | >= 3.0.0, < 3.7.0< 1.29.7>= 2.0.0, < 2.1.6>= 2.2.0, < 2.3.5 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L