CVE-2026-70376
Pluck CMS - CSRF via Spoofable Missing-Referer Bypass Leads to Stored XSS and RCE
- Published
- Aug 5, 2026
- Updated
- Aug 10, 2026
- Assigning CNA
- TuranSec
- Evidence observed
- Aug 18, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HLow · next 30 days
- Percentile
- 6.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- CVE-2026-70376Exploit
Advisory and Python PoC for Pluck CMS CSRF: fail-open Referer check plus double-extension upload enables webshell deployment and remote code execution.
Responsible use
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