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Fencer Vulns
medium 4.3

CVE-2004-1862 json

Multiple cross-site scripting (XSS) vulnerabilities in Extreme Messageboard (XMB) 1.8 SP3 and 1.9 beta allow remote attackers to inject arb…

published 2004-03-26 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1855

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Extreme Messageboard (XMB) 1.8 SP3 and 1.9 beta allow remote attackers to inject arbitrary web script or HTML via the (1) xmbuser parameter to xmb.php, (2) folder parameter to u2u.php, (3) viewmost, replymost, or latest parameter to stats.php, (4) message or icons parameter to post.php, (5) threadlist, pagelinks, forumlist, navigation, or (6) forumdisplay parameter to forumdisplay.php.

Exploit prediction

2.51% chance of exploitation in the next 30 days, higher than 84% 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

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.