High severity · published May 27, 2026
CVE-2026-42736
WordPress BP Better Messages plugin <= 2.14.16 - Insecure Direct Object References (IDOR) vulnerability
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Authorization Bypass Through User-Controlled Key vulnerability in wordplus BP Better Messages bp-better-messages allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects BP Better Messages: from n/a through <= 2.14.16.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BB
BP Better Messages · wordplus
through 2.14.16 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42736
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42736
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/bp-better-messages/vulnerability/wordpress-bp-better-messages-plugin-2-14-16-insecure-direct-object-references-idor-vulnerability?_s_id=cve
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