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Fencer Vulns
medium 4.3

CVE-2004-1863 json

Multiple cross-site scripting (XSS) vulnerabilities in XMB (aka extreme message board) 1.9 beta (aka Nexus beta) allow remote attackers to…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1856

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in XMB (aka extreme message board) 1.9 beta (aka Nexus beta) allow remote attackers to inject arbitrary web script or HTML via (1) the u2uheader parameter in editprofile.php, the restrict parameter in (2) member.php, (3) misc.php, and (4) today.php, and (5) an arbitrary parameter in phpinfo.php.

Exploit prediction

2.10% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.