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Fencer Vulns
medium 4.3

CVE-2006-0364 json

Cross-site scripting (XSS) vulnerability in MyBulletinBoard (MyBB) allows remote attackers to inject arbitrary web script or HTML via a sig…

published 2006-01-22 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0371

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in MyBulletinBoard (MyBB) allows remote attackers to inject arbitrary web script or HTML via a signature containing a JavaScript URI in the SRC attribute of an IMG element, in which the URI uses SGML numeric character references without trailing semicolons, as demonstrated by "&#106&#97&#118&#97&#115&#99&#114&#105&#112&#116".

Patch / fix

Exploit prediction

1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • secunia.com http://secunia.com/advisories/18544 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2006-01/0332.html referenced PoC, tagged "exploit" by a source, unverified
  • osvdb.org http://www.osvdb.org/22628 referenced PoC, tagged "exploit" by a source, unverified

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.