by Kastro
Paper/Archive/CVE-2026-70376

CVE-2026-70376

pluck-cms Pluck CMS — Pluck CMS - CSRF via Spoofable Missing-Referer Bypass Leads to Stored XSS and RCE

EPSS 0.2%CVSS 9.6
critical.is priorityof 100
31
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 10.0.100 × 202.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Pluck CMS's admin panel relies solely on a Referer-header comparison (requestedByTheSameDomain in data/inc/functions.admin.php, gating every admin.php action) for CSRF protection, with no per-request anti-CSRF token anywhere in the admin area.

Affected

ProductAffectedFixed inSource
Pluck CMS≤ 4.7.21–CNA

Scores by source

TuranSec (CNA)9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

writeupgithub.com/pluck-cms/pluck