CVE-2026-15106: Auth Bypass (CVSS 5.3)

Description

The WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 8.5.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to delete arbitrary chat session records from the wpbot_user and wpbot_conversation tables, including chat history and conversation logs, by supplying a crafted userid value.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0027

Probability of exploitation

0.19%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://plugins.trac.wordpress.org/browser/chatbot/tags/8.4.9/includes/chat-sessions/wpbot-chat-sessions.php#L372 https://plugins.trac.wordpress.org/browser/chatbot/tags/8.4.9/includes/chat-sessions/wpbot-chat-sessions.php#L391 https://plugins.trac.wordpress.org/browser/chatbot/tags/8.4.9/includes/chat-sessions/wpbot-chat-sessions.php#L393 https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.0/includes/chat-sessions/wpbot-chat-sessions.php#L372 https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.0/includes/chat-sessions/wpbot-chat-sessions.php#L391 https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.0/includes/chat-sessions/wpbot-chat-sessions.php#L393 https://plugins.trac.wordpress.org/changeset?reponame=&old=3608558%40chatbot&new=3608558%40chatbot https://www.wordfence.com/threat-intel/vulnerabilities/id/dc36ee53-81a9-416e-8e74-31d9c8802d6c?source=cve

Frequently Asked Questions

What is CVE-2026-15106? +

The WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 8.5.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to delete arbitrary chat session records from the wpbot_user and wpbot_conversation tables, including chat history and conversation logs, by supplying a crafted userid value. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-15106? +

CVE-2026-15106 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0027, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-15106? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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