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CVE-2009-1366

14
FAUCET Score

CVE-2009-1366 describes a Cross-site Scripting (XSS) vulnerability in DotNetNuke (DNN) versions prior to 4.9.3, specifically within the paypalipn.aspx component. This flaw allows remote attackers to inject arbitrary web script or HTML through unspecified vectors related to PayPal IPN functionality. The vulnerability has a CVSS score of 4.3, indicating medium attack complexity and potential for partial integrity impact, but no confidentiality or availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.9.2CPE matchmatch criteria
cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*
1.0.6CPE matchmatch criteria
cpe:2.3:a:dnnsoftware:dotnetnuke:1.0.6:*:*:*:*:*:*:*
1.0.7CPE matchmatch criteria
cpe:2.3:a:dnnsoftware:dotnetnuke:1.0.7:*:*:*:*:*:*:*
1.0.8CPE matchmatch criteria
cpe:2.3:a:dnnsoftware:dotnetnuke:1.0.8:*:*:*:*:*:*:*
1.0.9CPE matchmatch criteria
cpe:2.3:a:dnnsoftware:dotnetnuke:1.0.9:*:*:*:*:*:*:*

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
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 20th percentile among its peer group of 19,958 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

secunia.com / advisories/34686
Vendor Advisory
dotnetnuke.com / News/SecurityPolicy/Securitybulletinno25/tabid/1260/Default.aspx
Vendor Advisory
securityfocus.com / bid/34484