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CVE-2006-6421

MEDIUM · CVSS 6.0EPSS 15.6%EU EUVD

Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.x allows remote authenticated users to inject arbitrary web script or HTML via the "Message body" field in a message to a non-existent user.

Key facts

CVSS score
6.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:S/C:P/I:P/A:P
EPSS score
15.6% (97th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2006-6404)
Published
December 10, 2006
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-6404 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb
  • phpbb group / phpbb

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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