Read the docs
TI-2026-84953 Aliases CVE-2026-111740GHSA-456x-cvcm-4r62

Post Duplicator exposes titles of others' draft and private posts

Priority LOW 13CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

The Post Duplicator WordPress plugin before 3.0.17 does not check whether the requesting user may view each post when it returns a list of posts for a post type, which exposes sensitive information (CWE-200). A user with the Contributor role can read the titles and hierarchy of other users' draft and private posts. The references include a link to an exploit.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

The Post Duplicator WordPress plugin before 3.0.17 does not check whether the requesting user may view each post before returning a list of posts for a post type, allowing users with a role as low as Contributor to read the titles and hierarchy of other users' draft and private posts.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0023 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Post Duplicator (Unknown): 3.0.17

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
UnknownPost Duplicatorbefore 3.0.173.0.17Patch availableCNA
  • Post Duplicator VendorUnknown Affected before 3.0.17 Fixed in 3.0.17 Patch available CNA

Remediation

Update Post Duplicator to version 3.0.17, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA Post Duplicator (Unknown) Fixed in 3.0.17

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-111740
  2. 2026-11-04 Alias added: GHSA-456x-cvcm-4r62
  3. 2026-11-04 CVSS score added · CISA ADP
  4. 2026-11-04 Weakness changed · CISA ADP
  5. 2026-11-04 CISA SSVC decision points changed

References

Exploit 1

Sources

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