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Path traversal in WordPress ACF Extended lets attackers delete files

Priority LOW 35CWE-22Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

ACF Extended plugin for WordPress versions through 0.9.2.7 contains a path traversal flaw (CWE-22) that does not restrict pathnames to the intended directory. An unauthenticated remote attacker can use it to delete arbitrary files, with low integrity and availability impact.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in ACF Extended ACF Extended acf-extended allows Path Traversal.This issue affects ACF Extended: from n/a through 0.9.2.7.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00345 28th 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
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
ACF ExtendedACF Extendedup to 0.9.2.7—No fix listedCNA
  • ACF Extended VendorACF Extended Affected up to 0.9.2.7 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for ACF Extended.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-112311
  2. 2026-10-22 Alias added: GHSA-q8wp-qw6f-5v3v
  3. 2026-10-22 CISA SSVC decision points changed
  4. 2026-10-22 Priority changed: MEDIUM → LOW

References

  • TI-2026-84138 Code injection in Advanced Custom Fields: Extended PRO CVSS 3.1CRITICAL 9.8
  • TI-2026-79236 Missing authorization in WordPress ACF Extended plugin CVSS 3.1HIGH 7.5
  • TI-2021-07147 Advanced Custom Fields: Extended < 0.8.8.7 - Admin+ SQL Injection CVSS 3.1HIGH 7.2
  • TI-2026-79249 Stored cross-site scripting in WordPress ACF Extended plugin CVSS 3.1HIGH 7.1
  • TI-2026-56123 WordPress ACF Extended plugin <= 0.9.2.6 - Broken Access Control vulnerability CVSS 3.1MEDIUM 4.3

Sources