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Fencer Vulns
medium 6.9

CVE-2003-0587 json

Cross-site scripting (XSS) vulnerability in Infopop Ultimate Bulletin Board (UBB) 6.x allows remote authenticated users to execute arbitrar…

published 2003-08-18 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0581

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in Infopop Ultimate Bulletin Board (UBB) 6.x allows remote authenticated users to execute arbitrary web script and gain administrative access via the "displayed name" attribute of the "ubber" cookie.

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

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.