Arbitrary file upload in Fpdf

CVE-2025-65875

An arbitrary file upload vulnerability in the AddFont() function of FPDF v1.86 and earlier allows attackers to execute arbitrary code via uploading a crafted PHP file.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.004 (33.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-65875: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

  • Fpdf — versions 1.8.6

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-65875?
CVE-2025-65875 is a high-severity vulnerability in Fpdf, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-02-03.
How severe is CVE-2025-65875?
High severity. CVSS v3 base score is 8.8 out of 10.