What is CVE-2021-26809?

CVE-2021-26809 is a critical-severity vulnerability in Phpgurukul Car Rental Portal, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-02-17.

How severe is CVE-2021-26809?

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

Arbitrary file upload in Phpgurukul Car Rental Portal

CVE-2021-26809

PHPGurukul Car Rental Project version 2.0 suffers from a remote shell upload vulnerability in changeimage1.php.

Vulnerability class: Unrestricted File Upload

Published 2021-02-17 · 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: 0.021 (81.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Phpgurukul Car Rental Portal — versions 2.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

packetstormsecurity.com/files/161267/Car-Rental-Project-2.0-Shell-Upload.html (Exploit, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/49520 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-26809?: CVE-2021-26809 is a critical-severity vulnerability in Phpgurukul Car Rental Portal, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-02-17.
How severe is CVE-2021-26809?: Critical severity. CVSS v3 base score is 9.8 out of 10.