Unrated severityNVD Advisory· Published Dec 10, 2006· Updated Jun 16, 2026
CVE-2006-6421
CVE-2006-6421
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
33cpe:2.3:a:phpbb_group:phpbb:2.0:*:*:*:*:*:*:*+ 32 more
- cpe:2.3:a:phpbb_group:phpbb:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.20:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.21:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.6c:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.6d:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.7a:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.8a:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0_beta1:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0_rc1:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0_rc2:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0_rc3:*:*:*:*:*:*:*
- cpe:2.3:a:phpbb_group:phpbb:2.0_rc4:*:*:*:*:*:*:*
- (no CPE)range: 2.0.x
Patches
Vulnerability mechanics
References
10- secunia.com/advisories/23283nvd
- securityreason.com/securityalert/2005nvd
- www.phpbb.com/phpBB/viewtopic.phpnvd
- www.securityfocus.com/archive/1/453774/100/0/threadednvd
- www.securityfocus.com/archive/1/456579/100/0/threadednvd
- www.securityfocus.com/archive/1/456728/100/100/threadednvd
- www.securityfocus.com/archive/1/456784/100/100/threadednvd
- www.securityfocus.com/bid/21806nvd
- www.securityfocus.com/bid/22001nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/30776nvd
News mentions
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