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.

6.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.50% Top 20%

Third-Party Advisory secunia.com Third-Party Advisory securityreason.com

Affected: n/a n/a

References

Link	Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/30776	vdb entry
http://www.securityfocus.com/archive/1/456579/100/0/threaded	mailing list
http://www.phpbb.com/phpBB/viewtopic.php?f=14&t=489624
http://www.securityfocus.com/archive/1/456728/100/100/threaded	mailing list
http://www.securityfocus.com/bid/22001	vdb entry
http://www.securityfocus.com/bid/21806	vdb entry
http://www.securityfocus.com/archive/1/456784/100/100/threaded	mailing list
http://www.securityfocus.com/archive/1/453774/100/0/threaded	mailing list
http://secunia.com/advisories/23283	third party advisory
http://securityreason.com/securityalert/2005	third party advisory

Frequently Asked Questions

What is the severity of CVE-2006-6421?: CVE-2006-6421 has been scored as a medium severity vulnerability.
How to fix CVE-2006-6421?: To fix CVE-2006-6421, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2006-6421 being actively exploited in the wild?: It is possible that CVE-2006-6421 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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