CVE-2024-45292

mediumpriority · track · 22EPSS 0.003 · 28 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.34% (28th) EPSS

CVSS 5.4 · medium

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · security-advisories@github.comexploitability 2.3 · impact 2.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79US

affected products (10)

Products and version ranges known to be affected.

PHPOffice PhpSpreadsheet≤ < 1.29.2enisa_euvdEU
PHPOffice PhpSpreadsheet2.0.0, → 2.1.1enisa_euvdEU
PHPOffice PhpSpreadsheet2.2.0, → 2.3.0enisa_euvdEU
phpoffice phpspreadsheet< 1.29.2nvdUScpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*
phpoffice phpspreadsheet2.0.0 → 2.1.1nvdUScpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*
phpoffice phpspreadsheet2.2.0 → 2.3.0nvdUScpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*
Packagist phpoffice/phpexcel≤ 1.8.2osvUSpkg:composer/phpoffice/phpexcel
Packagist phpoffice/phpspreadsheet< 1.29.2osvUSpkg:composer/phpoffice/phpspreadsheet
Packagist phpoffice/phpspreadsheet2.0.0 → 2.1.1osvUSpkg:composer/phpoffice/phpspreadsheet
Packagist phpoffice/phpspreadsheet2.2.0 → 2.3.0osvUSpkg:composer/phpoffice/phpspreadsheet

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-r8w8-74ww-j4whPhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via JavaScript hyperlinks2024-10-07ghsa · osvUS
### Summary `\PhpOffice\PhpSpreadsheet\Writer\Html` does not sanitize "javascript:" URLs from hyperlink `href` attributes, resulting in a Cross-Site Scripting vulnerability. ### PoC Example target script: ``` <?php require 'vendor/autoload.php'; $reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader("Xlsx"); $spreadsheet = $reader->load(__DIR__ . '/book.xlsx'); $writer = new \PhpOffice\PhpSpreadsheet\Writer\Html($spreadsheet); print($writer->generateHTMLAll()); ``` Save this file in the same directory: [book.xlsx](https://github.com/PHPOffice/PhpSpreadsheet/files/15099763/book.xlsx) Open index.php in a web browser and click on both links. The first demonstrates the vulnerability in a regular hyperlink and the second in a HYPERLINK() formula.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2024-10-07modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan