CVE-2026-13731: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services
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.
AI Analysis
Technical Summary
CVE-2026-13731 is a stored Cross-Site Scripting vulnerability in the WPBot – AI ChatBot for Live Support, Lead Generation, AI Services WordPress plugin. The flaw exists in the handling of the 'conversation' parameter, which lacks proper input sanitization and output escaping. This allows unauthenticated attackers to inject arbitrary web scripts that execute in the context of users visiting the injected pages. The AJAX nonce used to authenticate save requests is publicly available on all frontend pages via wp_localize_script, removing practical exploitation barriers. The vulnerability affects all plugin versions up to and including 8.4.9. No official patch or remediation guidance is currently available.
Potential Impact
Successful exploitation enables unauthenticated attackers to perform stored XSS attacks, leading to the execution of arbitrary scripts in the context of users visiting affected pages. This can result in information disclosure, session hijacking, or other client-side impacts. The vulnerability does not affect availability but compromises confidentiality and integrity at the user level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider disabling or restricting use of the vulnerable plugin. Monitor vendor channels for updates and apply patches promptly once available.
CVE-2026-13731: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services
Description
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.
CVSS v3.1
Score 7.2high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13731 is a stored Cross-Site Scripting vulnerability in the WPBot – AI ChatBot for Live Support, Lead Generation, AI Services WordPress plugin. The flaw exists in the handling of the 'conversation' parameter, which lacks proper input sanitization and output escaping. This allows unauthenticated attackers to inject arbitrary web scripts that execute in the context of users visiting the injected pages. The AJAX nonce used to authenticate save requests is publicly available on all frontend pages via wp_localize_script, removing practical exploitation barriers. The vulnerability affects all plugin versions up to and including 8.4.9. No official patch or remediation guidance is currently available.
Potential Impact
Successful exploitation enables unauthenticated attackers to perform stored XSS attacks, leading to the execution of arbitrary scripts in the context of users visiting affected pages. This can result in information disclosure, session hijacking, or other client-side impacts. The vulnerability does not affect availability but compromises confidentiality and integrity at the user level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider disabling or restricting use of the vulnerable plugin. Monitor vendor channels for updates and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-06-29T14:40:54.452Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a44a07827e9c79719fbd5ab
Added to database: 07/01/2026, 05:07:04 UTC
Last enriched: 07/01/2026, 05:23:06 UTC
Last updated: 07/01/2026, 23:33:17 UTC
Views: 6
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