quantumcloud WPBot Plugin up to 8.4.9 on WordPress AI Service conversation cross site scripting

Summaryinfo

A vulnerability has been found in quantumcloud WPBot Plugin up to 8.4.9 on WordPress and classified as problematic. This affects an unknown function of the component AI Service. The manipulation of the argument conversation leads to cross site scripting. This vulnerability is traded as CVE-2026-13731. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in quantumcloud WPBot Plugin up to 8.4.9 on WordPress. It has been rated as problematic. This issue affects an unknown part of the component AI Service. The manipulation of the argument conversation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

The WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'conversation' parameter in all versions up to, and including, 8.4.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The AJAX nonce required to authenticate the save request is publicly emitted on every frontend page via wp_localize_script, making it freely obtainable by any anonymous visitor and removing any practical barrier to exploitation.

The weakness was shared by PRISM. It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2026-13731 since 06/29/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 8.4.9 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Vendor

• quantumcloud

Name

• WPBot Plugin

Version

• 8.4.0
• 8.4.1
• 8.4.2
• 8.4.3
• 8.4.4
• 8.4.5
• 8.4.6
• 8.4.7
• 8.4.8
• 8.4.9

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

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