What is CVE-2024-45048?

CVE-2024-45048 is a high-severity vulnerability in Phpoffice Phpspreadsheet, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.8/10. Published 2024-08-28.

How severe is CVE-2024-45048?

High severity. CVSS v3 base score is 8.8 out of 10.

XXE in Phpoffice Phpspreadsheet

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 i…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.002 (35.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Phpoffice Phpspreadsheet — versions < 2.2.1

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-ghg6-32f9-2jp7 (x_refsource_CONFIRM)
https://github.com/PHPOffice/PhpSpreadsheet/commit/bea2d4b30f24bcc8a7712e208d1359e603b45dda (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-45048?: CVE-2024-45048 is a high-severity vulnerability in Phpoffice Phpspreadsheet, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.8/10. Published 2024-08-28.
How severe is CVE-2024-45048?: High severity. CVSS v3 base score is 8.8 out of 10.