CVE-2006-6646

Multiple cross-site scripting (XSS) vulnerabilities in Drupal (1) Project Issue Tracking 4.7.x-1.0 and 4.7.x-2.0, and (2) Project 4.6.x-1.0, 4.7.x-1.0, and 4.7.x-2.0 allow remote attackers to inject arbitrary web script or HTML via unspecified parameters, which do not use the check_plain function.

Published: 2006-12-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-6646 is rated Moderate Risk (49.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.15%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-6646

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.97% 1.15% +0.17%
2 2025-09-30 0.79% 0.97% +0.18%
3 2025-08-08 — 0.79% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6646

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2006-6646

OS Trackers for CVE-2006-6646

vendor priority summary link
alpine — CVE-2006-6646: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6646

Affected software / configurations for CVE-2006-6646

Vendor Product Version Raw CPE
drupal drupal_project 4.6 cpe:2.3:a:drupal:drupal_project:4.6:*:*:*:*:*:*:*
drupal drupal_project 4.6_1.0 cpe:2.3:a:drupal:drupal_project:4.6_1.0:*:*:*:*:*:*:*
drupal drupal_project 4.7 cpe:2.3:a:drupal:drupal_project:4.7:*:*:*:*:*:*:*
drupal drupal_project 4.7_1.0 cpe:2.3:a:drupal:drupal_project:4.7_1.0:*:*:*:*:*:*:*
drupal drupal_project 4.7_2.0 cpe:2.3:a:drupal:drupal_project:4.7_2.0:*:*:*:*:*:*:*
drupal drupal_project_issue_tracking 4.7_1.0 cpe:2.3:a:drupal:drupal_project_issue_tracking:4.7_1.0:*:*:*:*:*:*:*
drupal drupal_project_issue_tracking 4.7_2.0 cpe:2.3:a:drupal:drupal_project_issue_tracking:4.7_2.0:*:*:*:*:*:*:*

References for CVE-2006-6646

cvelogic Threat Intelligence