What is CVE-2018-16634?

CVE-2018-16634 is a high-severity vulnerability in Pluck-Cms Pluck, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-12-04.

How severe is CVE-2018-16634?

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

Is CVE-2018-16634 known to be exploited?

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

CSRF in Pluck-Cms Pluck

CVE-2018-16634

Pluck v4.7.7 allows CSRF via admin.php?action=settings.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-12-04 · 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: 0.005 (42.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% 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

Pluck-Cms Pluck — versions 4.7.7

Weakness classification (CWE)

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

Public proof-of-concept exploits

0xT11/CVE-POC

References

github.com/security-breachlock/CVE-2018-16634/blob/master/PLUCK_CSRF.pdf (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16634?: CVE-2018-16634 is a high-severity vulnerability in Pluck-Cms Pluck, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-12-04.
How severe is CVE-2018-16634?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-16634 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.