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TI-2026-74745 Aliases CVE-2026-109686

PHP object injection in WordPress Link Whisper Free plugin

Priority MEDIUM 49CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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-502.

Summary

Link Whisper Free by Link Whisper INC, from n/a through 0.9.7, deserializes untrusted data, which allows PHP object injection (CWE-502). An unauthenticated remote attacker without user interaction can abuse this flaw to fully compromise the confidentiality, integrity and availability of the affected site.

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

Description from the CNA

Deserialization of Untrusted Data vulnerability in Link Whisper INC Link Whisper Free link-whisper allows Object Injection.This issue affects Link Whisper Free: from n/a through 0.9.7.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd 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
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
Link WhisperLink Whisper Freeup to 0.9.7—No fix listedCNA
  • Link Whisper Free VendorLink Whisper Affected up to 0.9.7 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Link Whisper Free.

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

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-109686

References

Other 1

  • TI-2026-01566 Link Whisper Free < 0.9.1 - Unauthenticated Settings and User Meta Update CVSS 3.1MEDIUM 6.5
  • TI-2026-74746 SQL injection in Link Whisper Free WordPress plugin CVSS 3.1CRITICAL 9.3
  • TI-2023-25960 WordPress Link Whisper Free Plugin <= 0.6.5 is vulnerable to SQL Injection CVSS 3.1HIGH 8.5
  • TI-2023-15788 WordPress Link Whisper Free plugin <= 0.6.3 - Unauthenticated Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2026-71625 Blind SQL injection in Link Whisper Free WordPress plugin CVSS 3.1HIGH 7.6
  • TI-2024-18593 WordPress Link Whisper Free plugin <= 0.6.8 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
See all 9 →

Sources

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