CVE Catalog

CVE-2026-91921

MediumCVSS 5.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.38%

32th percentile - higher than 32% of all known CVEs

Summary

Cross-Site Scripting (XSS) vulnerability due to inadequate input sanitisation in the client-side rendering engine of the 1millionbot AI Chat Platform. An unauthenticated remote user could cause external hyperlinks to be rendered in the web interface by sending messages containing Markdown syntax and certain unsanitised content blocks.

Risk Assessment

The impact is limited to the user's own interactive session; no compromise of internal infrastructure, access to third-party data or impact on administrative panels has been identified.

Recommendation

Update the 1millionbot AI Chat Platform to a version containing the input sanitisation fix.

Related vulnerabilities

Original NVD description (English source)

Cross-Site Scripting (XSS) vulnerability due to inadequate input sanitisation in the client-side rendering engine of the 1millionbot AI Chat Platform. An unauthenticated remote user could cause external hyperlinks to be rendered in the web interface by sending messages containing Markdown syntax and certain unsanitised content blocks. The impact is limited to the user’s own interactive session; no compromise of internal infrastructure, access to third-party data or impact on administrative panels has been identified.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS