What is CVE-2018-15851?

CVE-2018-15851 is a high-severity vulnerability in Flexocms Project Flexo Cms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-08-25.

How severe is CVE-2018-15851?

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

CSRF in Flexocms Project Flexo Cms

CVE-2018-15851

An issue was discovered in Flexo CMS v0.1.6. There is a CSRF vulnerability that can add an administrator via /admin/user/add.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-08-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Flexocms Project Flexo Cms — versions 0.1.6

Weakness classification (CWE)

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

References

github.com/flexocms/flexo1.source/issues/25 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-15851?: CVE-2018-15851 is a high-severity vulnerability in Flexocms Project Flexo Cms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-08-25.
How severe is CVE-2018-15851?: High severity. CVSS v3 base score is 8.8 out of 10.