# CVE-2001-0991

## Summary

- **CVE ID:** CVE-2001-0991
- **Severity:** UNKNOWN
- **CVSS Score:** 0.85
- **CWE:** N/A
- **Published:** Feb 2, 2002
- **Last Modified:** Mar 16, 2026

## Description

Cross-site scripting vulnerability in Proxomitron Naoko-4 BetaFour and earlier allows remote attackers to execute arbitrary script on other clients via an incorrect URL containing the malicious script, which is printed back in an error message.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.securityfocus.com/archive/1/198954)
- [CNA](http://www.securityfocus.com/bid/3087)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/6887)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 16.99%
- **EPSS Percentile:** 94.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._