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Fencer Vulns
high 7.5

CVE-2001-0991 json

Cross-site scripting vulnerability in Proxomitron Naoko-4 BetaFour and earlier allows remote attackers to execute arbitrary script on other…

published 2001-07-24 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0973

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.1%
EPSS 7.1% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. First public exploit (EDB-21025)
  2. Published

Exploit prediction

7.10% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-21025 Proxomitron Naoko-4 - Cross-Site Scripting remote, 2001-07-24
  • securityfocus.com http://www.securityfocus.com/bid/3087 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.