Vulnerability · Published Aug 5, 2026 · Assigned by TuranSec

CVE-2026-70376Pluck CMS - CSRF via Spoofable Missing-Referer Bypass Leads to Stored XSS and RCE

Critical 9.6

In plain English

A critical-severity cross-site request forgery in Pluck CMS from pluck-cms. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.2%top 90.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

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 products (as reported)

VendorProductVersions
pluck-cms Pluck CMS 0 – through 4.7.21

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References