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TI-2023-00428 Aliases CVE-2023-0453GHSA-849q-f682-346f

WP Private Message < 1.0.6 - Private Message Disclosure via IDOR

Priority MEDIUM 53Published · Updated

Key facts

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

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

Summary

The WP Private Message WordPress plugin (bundled with the Superio theme as a required plugin) before 1.0.6 does not ensure that private messages to be accessed belong to the user making the requests. This allowing any authenticated users to access private messages belonging to other users by tampering the ID.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00551 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed WP Private Message (Unknown): 1.0.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
UnknownWP Private Messagebefore 1.0.61.0.6Patch availableCNA
  • WP Private Message VendorUnknown Affected before 1.0.6 Fixed in 1.0.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apusthemes:wp_private_messaging:*:*:*:*:*:wordpress:*:*before 1.0.6VulnerableApusThemes
  • cpe:2.3:a:apusthemes:wp_private_messaging:*:*:*:*:*:wordpress:*:* Versions before 1.0.6 Vulnerable ·ApusThemes

Remediation

  • Fix · CNA WP Private Message (Unknown) Fixed in 1.0.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0453
  2. 2026-10-03 Alias added: GHSA-849q-f682-346f

References

Sources