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Case File

CVE-2006-6421

MEDIUM · CVSS 6 EPSS 15.45%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2006-12-10 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.0. Its EPSS score suggests a 15.5% probability of exploitation in the next 30 days. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2006-6421
Severity
MEDIUM
CVSS
6
EPSS
15.45%

Original NVD 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.