ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-109686

WordPress Link Whisper Free plugin <= 0.9.7 - PHP Object Injection vulnerability

Published Oct 15, 2026 · catalog updated Oct 15, 2026 · Link Whisper INC Link Whisper Free

Check if you run it

No confirmed exploitation is on record for CVE-2026-109686. EPSS is 0.31%. Act only if a listed version of Link Whisper INC Link Whisper Free is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.31%
Remediation
Version ranges on file
Affected products
stated Link Whisper Free · vendor Link Whisper INC Link Whisper Free

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated Link Whisper Free<= 0.9.7
  • vendor Link Whisper INC Link Whisper Freeversion unspecified

How to fix CVE-2026-109686

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-109686. EPSS is 0.31%. Act only if a listed version of Link Whisper INC Link Whisper Free is installed.

Which versions are affected?

Compare what you have installed with Link Whisper Free <= 0.9.7. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 0.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 15, 2026 · NIST NVD

    Detected

    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.

  2. Oct 15, 2026 · NIST NVD

    Updated

    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.

  3. Oct 15, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-109686

    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.

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-109686

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-109686

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.