What is CVE-2018-18436?

CVE-2018-18436 is a high-severity vulnerability in Jtbc PHP, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-17.

How severe is CVE-2018-18436?

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

CSRF in Jtbc PHP

CVE-2018-18436

JTBC(PHP) 3.0 allows CSRF for creating an account via the console/account/manage.php?type=action&action=add URI.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-10-17 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.005 (41.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Jtbc PHP — versions 3.0.0.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

github.com/w3irdo001/demo/blob/master/1.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18436?: CVE-2018-18436 is a high-severity vulnerability in Jtbc PHP, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-17.
How severe is CVE-2018-18436?: High severity. CVSS v3 base score is 8.8 out of 10.