CVE-2026-40803 Jotform CVE debrief

Who should care

Defenders responsible for WordPress installations with the Jotform – AI Chatbot plugin should assess exposure and prioritize patching or mitigation.

Why it matters

CVE-2026-40803 is a high-severity XSS vulnerability in the Jotform – AI Chatbot plugin. Defenders should prioritize verifying exposure and applying patches or mitigations to prevent potential script injection and execution.

• Potential for unauthorized script injection and execution
• Possible impact on user interactions and data integrity
• Requires verification of exposure and patching or mitigation

Technical summary

The Jotform – AI Chatbot plugin, version 3.8.2 and possibly earlier, is vulnerable to unauthenticated Cross Site Scripting (XSS). The vulnerability has a CVSS score of 7.1 and is considered high severity.

Defensive priority

Defenders should prioritize verifying exposure and applying patches or mitigations.

Recommended defensive actions

• Verify exposure by checking plugin versions and configurations
• Apply patches or mitigations provided by the vendor
• Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further investigation is required to determine the scope of affected systems and potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.