High severity · published Jun 15, 2026
CVE-2026-40788
WordPress ChatBot plugin <= 7.9.7 - Broken Access Control vulnerability
7.1
CVSS
0.3%
EPSS
No
On KEV
Description
Subscriber Broken Access Control in ChatBot <= 7.9.7 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
ChatBot · QuantumCloud
through 7.9.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40788
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40788
patchstack.com
https://patchstack.com/database/wordpress/plugin/chatbot/vulnerability/wordpress-chatbot-plugin-7-9-7-broken-access-control-vulnerability?_s_id=cve
More from ChatBot
9.3
CVE-2026-32499
WordPress ChatBot plugin <= 7.7.9 - SQL Injection vulnerability
8.8
CVE-2023-24415
Cross-Site Request Forgery (CSRF) vulnerability in QuantumCloud AI ChatBot plugin <= 4.2.8 versions
7.1
CVE-2026-57363
WordPress ChatBot plugin <= 8.3.7 - Cross Site Scripting (XSS) vulnerability
7.1
CVE-2026-57362
WordPress ChatBot plugin <= 8.3.2 - Reflected Cross Site Scripting (XSS) vulnerability