Vulnerability details

CVE-2026-70376

pluck-cms Pluck CMS

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

CVSS 3.1

9.6Critical

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.

CVSS scores

Score	Version	Source	Vector
9.6Critical	3.1	CVEProject cvelistV5 (CNA) (TuranSec)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
pluck-cms	Pluck CMS	v ≤ 4.7.21	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/pluck-cms/pluck third-party-advisory

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Details

Published: 2026-08-05
Last updated: 2026-08-10
State: Published
Assigner (CNA): TuranSec

Exploit prediction (EPSS)

0.2%

Probability of exploitation in 30 days

9.9%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-352
Cross-Site Request Forgery (CSRF)