Vulnerability · Published Oct 7, 2024 · Assigned by GitHub_M

CVE-2024-45292PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via JavaScript hyperlinks

Medium 5.4

In plain English

A medium-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.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 72.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. `\PhpOffice\PhpSpreadsheet\Writer\Html` does not sanitize "javascript:" URLs from hyperlink `href` attributes, resulting in a Cross-Site Scripting vulnerability. This issue has been addressed in release versions 1.29.2, 2.1.1, and 2.3.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistphpoffice/phpexcelno fix listedGHSA-r8w8-74ww-j4wh
Packagistphpoffice/phpspreadsheet2.3.0GHSA-r8w8-74ww-j4wh
Packagistphpoffice/phpspreadsheet1.29.2GHSA-r8w8-74ww-j4wh
Packagistphpoffice/phpspreadsheet2.1.1GHSA-r8w8-74ww-j4wh

Affected products (as reported)

VendorProductVersions
PHPOffice PhpSpreadsheet < 1.29.2>= 2.0.0, < 2.1.1>= 2.2.0, < 2.3.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References