XXE in Phpoffice Phpspreadsheet
CVE-2024-45293
PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. The security scanner responsible for preventing XXE attacks in the XLSX reader can be bypassed by slightly modifying the XML structure, utilizing white-spaces…
Vulnerability class: XXE (XML External Entity)
EPSS: 0.716 (98.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Phpoffice Phpspreadsheet — versions >= 2.2.0, < 2.3.0, < 1.29.1, >= 2.0.0, < 2.1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-6hwr-6v2f-3m88 (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2024-45293?
- CVE-2024-45293 is a high-severity vulnerability in Phpoffice Phpspreadsheet, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2024-10-07.
- How severe is CVE-2024-45293?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-45293 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.