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CVE-2006-4821

14
FAUCET Score

CVE-2006-4821 describes a cross-site scripting (XSS) vulnerability in the Drupal 4.7 Userreview module prior to version 1.19. This flaw allows remote attackers to inject arbitrary web script or HTML through unspecified vectors. With a CVSS score of 4.3 (medium severity), successful exploitation requires medium attack complexity and could lead to information disclosure or defacement, but not impact availability. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.7CPE matchmatch criteria
cpe:2.3:a:drupal:drupal_userreview_module:4.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.76%
Probability of exploitation in next 30 days
EPSS Percentile
75.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0176 is in the 55th percentile among its peer group of 19,954 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

drupal.org / node/83954
Patch
secunia.com / advisories/21907
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/28931
securityfocus.com / bid/20015
vupen.com / english/advisories/2006/3603