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CVE-2006-6421

MediumPublished

Cross-site scripting (XSS) vulnerability in the private message box implementation (privmsg.php) in phpBB 2.0.x allows remote authenticated users to inject...

Published: Dec 10, 2006
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Jan 11, 2007

Primary CVSS

6.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:M/Au:S/C:P/I:P/A:P

EPSS probability estimate

15.6%

Moderate · next 30 days

Percentile: 96.7%
Model date: Sep 25, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

phpBB 2.0.21 - 'privmsg.php' HTML InjectionExploit
Demential · php · Jan 11, 2007

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