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Review reviewHigh

CVE-2026-40780

Liquid Web / StellarWP BookIt

Authentication Bypass Using an Alternate Path or Channel vulnerability in Liquid Web / StellarWP BookIt allows Password Recovery Exploitation. This issue affects BookIt: from n/a before 2.5.4.1.

CVSS
7.5
EPSS
0.27%
18.7% percentile
CISA KEV
Not listed
Published
2026.06.03
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.27%
Technical severityCVSS 7.5

Vulnerability overview

Authentication Bypass Using an Alternate Path or Channel vulnerability in Liquid Web / StellarWP BookIt allows Password Recovery Exploitation. This issue affects BookIt: from n/a before 2.5.4.1.

Affected product and versions

Product
Liquid Web / StellarWP BookIt
Affected versions
< 2.5.4.1
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Liquid Web / StellarWP BookIt and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
CWE-288