What is CVE-2018-11031?

CVE-2018-11031 is a critical-severity vulnerability in Gouguoyin Phprap, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2018-05-14.

How severe is CVE-2018-11031?

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

SSRF in Gouguoyin Phprap

CVE-2018-11031

application/home/controller/debug.php in PHPRAP 1.0.4 through 1.0.8 has SSRF via the /debug URI, as demonstrated by an api[url]=file:////etc/passwd&api[method]=get POST request.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2018-05-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.019 · change: -0.000

Affected products

Gouguoyin Phprap

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/gouguoyin/phprap/issues/89 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11031?: CVE-2018-11031 is a critical-severity vulnerability in Gouguoyin Phprap, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2018-05-14.
How severe is CVE-2018-11031?: Critical severity. CVSS v3 base score is 9.8 out of 10.