What is CVE-2020-25763?

CVE-2020-25763 is a critical-severity vulnerability in Seat Reservation System Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2020-09-30.

How severe is CVE-2020-25763?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Seat Reservation System Project

CVE-2020-25763

Seat Reservation System version 1.0 suffers from an Unauthenticated File Upload Vulnerability allowing Remote Attackers to gain Remote Code Execution (RCE) on the Hosting Webserver via uploading PHP files.

Vulnerability class: Unrestricted File Upload

Published 2020-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.050 (92.0th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000

Affected products

Seat Reservation System Project — versions 1.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

packetstormsecurity.com/files/159260/Seat-Reservation-System-1.0-Shell-Upload.h… (Exploit, VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2020/Sep/41 (mailing-list, Exploit, Mailing List, Third Party Advisory)
packetstormsecurity.com/files/author/15149 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-25763?: CVE-2020-25763 is a critical-severity vulnerability in Seat Reservation System Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2020-09-30.
How severe is CVE-2020-25763?: Critical severity. CVSS v3 base score is 9.8 out of 10.