What is CVE-2024-45046?

CVE-2024-45046 is a medium-severity vulnerability in Phpoffice Phpspreadsheet, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-08-28.

How severe is CVE-2024-45046?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Phpoffice Phpspreadsheet

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 injec…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (56.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Phpoffice Phpspreadsheet — versions < 2.1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-wgmf-q9vr-vww6 (x_refsource_CONFIRM)
https://github.com/PHPOffice/PhpSpreadsheet/pull/3957 (x_refsource_MISC)
https://github.com/PHPOffice/PhpSpreadsheet/commit/f7cf378faed2e11cf4825bf8bafea4922ae44667 (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-45046?: CVE-2024-45046 is a medium-severity vulnerability in Phpoffice Phpspreadsheet, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-08-28.
How severe is CVE-2024-45046?: Medium severity. CVSS v3 base score is 5.4 out of 10.