What is CVE-2018-15818?

CVE-2018-15818 is a high-severity vulnerability in Reputeinfosystems Repute Arforms, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-03-21.

How severe is CVE-2018-15818?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-15818 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Reputeinfosystems Repute Arforms

CVE-2018-15818

An issue was discovered in Repute ARForms 3.5.1 and prior. An attacker is able to delete any file on the server with web server privileges by sending a malicious request to admin-ajax.php.

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

Published 2019-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.020 (80.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.5% 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

Reputeinfosystems Repute Arforms

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

packetstormsecurity.com/files/149981/WordPress-Arforms-3.5.1-Arbitrary-File-Del… (Exploit, VDB Entry, Third Party Advisory)
wpvulndb.com/vulnerabilities/9139 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-15818?: CVE-2018-15818 is a high-severity vulnerability in Reputeinfosystems Repute Arforms, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-03-21.
How severe is CVE-2018-15818?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-15818 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.