What is CVE-2018-15888?

CVE-2018-15888 is a critical-severity vulnerability in Aspcms, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-08-26.

How severe is CVE-2018-15888?

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

Improper input validation in Aspcms

CVE-2018-15888

An issue was discovered in ASPCMS 2.5.6. When registering ordinary users in the addUser function of the /member/reg.asp page, they can be registered with the super administrators GroupID directly.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-08-26 · 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: 0.020 (80.2th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% 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: 0.020 · change: 0.000

Affected products

Aspcms — versions 2.5.6

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

wooyun.org/bugs/wooyun-2015-091831 (VDB Entry, Third Party Advisory)
www.seebug.org/vuldb/ssvid-96205 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-15888?: CVE-2018-15888 is a critical-severity vulnerability in Aspcms, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-08-26.
How severe is CVE-2018-15888?: Critical severity. CVSS v3 base score is 9.8 out of 10.