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TI-2026-49179 Aliases CVE-2026-70376GHSA-qg2j-83g4-98r4

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

Priority MEDIUM 42CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00201 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
pluck-cmsPluck CMSup to 4.7.21—No fix listedCNA
  • Pluck CMS Vendorpluck-cms Affected up to 4.7.21 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-70376
  2. 2026-10-03 Alias added: GHSA-qg2j-83g4-98r4

References

Advisory 1

  • TI-2020-13919 File Upload vulnerability in PluckCMS v.4.7.10 dev versions allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2023-11910 An issue discovered in /admin.php in Pluck CMS 4.7.15 through 4.7.16-dev5 allows remote… CVSS 3.1HIGH 7.2
  • TI-2020-13954 File Upload vulnerability in PluckCMS v.4.7.10 allows a remote attacker to execute… CVSS 3.1HIGH 7.2
  • TI-2020-13945 File upload vulnerability in Pluck CMS v.4.7.10-dev2 allows a remote attacker to execute… CVSS 3.1HIGH 7.2
  • TI-2020-13944 An issue discovered in Pluck CMS v.4.7.10-dev2 allows a remote attacker to execute… CVSS 3.1HIGH 7.2
  • TI-2023-27623 An arbitrary file upload vulnerability in the component /inc/modules_install.php of… CVSS 3.1HIGH 8.8
See all 47 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences