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TI-2026-67954 Aliases CVE-2026-39755GHSA-c4hr-qwxf-4jw9

Arbitrary file upload in WordPress WP Duplicate plugin

Priority MEDIUM 43CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
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-434.

Summary

WP Duplicate, a WordPress plugin by revmakx, is affected up to and including version 1.1.11. Unrestricted upload of a file with a dangerous type (CWE-434) lets an authenticated user with subscriber privileges upload arbitrary files to the site. Such an attacker can plant files that the server may run, with high impact to confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Subscriber Arbitrary File Upload in WP Duplicate <= 1.1.11 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00434 37th 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
revmakxWP Duplicateup to 1.1.11—No fix listedCNA
  • WP Duplicate Vendorrevmakx Affected up to 1.1.11 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for WP Duplicate.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-39755
  2. 2026-10-06 Alias added: GHSA-c4hr-qwxf-4jw9
  3. 2026-10-06 CISA SSVC decision points changed

References

Other 1

  • TI-2024-08222 Backup and Staging by WP Time Capsule <= 1.22.21 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
  • TI-2020-07033 The InfiniteWP Client plugin before 1.9.4.5 for WordPress has a missing authorization… CVSS 3.1CRITICAL 9.8
  • TI-2016-09124 InfiniteWP Client Plugin injection CVSS 3.1CRITICAL 9.8
  • TI-2023-02734 InfiniteWP Client <= 1.11.1 - Authenticated (Subscriber+) Sensitive Information Exposure CVSS 3.1HIGH 7.5
  • TI-2024-26004 Improper privilege management in revmakx Backup and Staging by WP Time Capsule CVSS 3.1CRITICAL 9.8
  • TI-2026-01194 WP Duplicate <= 1.1.8 - Authenticated (Subscriber+) Arbitrary File Upload via 'process_add_site' AJAX Action CVSS 3.1HIGH 8.8
See all 21 →

Sources

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