High severity · published Jun 2, 2026
CVE-2026-40780
WordPress BookIt plugin < 2.5.4.1 - Broken Authentication vulnerability
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BO
BookIt · Liquid Web / StellarWP
before 2.5.4.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40780
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40780
patchstack.com
https://patchstack.com/database/wordpress/plugin/bookit/vulnerability/wordpress-bookit-plugin-2-5-1-broken-authentication-vulnerability?_s_id=cve
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CVE-2026-110900
WordPress BookIt plugin <= 2.6.0.5 - Broken Access Control vulnerability