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Fencer Vulns
medium 6.8

CVE-2003-0526 json

Cross-site scripting (XSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to injec…

published 2003-07-17 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0520

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
22.5%
EPSS 22.5% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to inject arbitrary web script via a URL containing the script in the domain name portion, which is not properly cleansed in the default error pages (1) 500.htm for "500 Internal Server error" or (2) 404.htm for "404 Not Found."

Timeline

  1. First public exploit (EDB-22919)
  2. Published

Exploit prediction

22.47% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22919 Microsoft ISA Server 2000 - Cross-Site Scripting remote, 2003-07-16

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/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.