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CVE-2009-2440

21
FAUCET Score

CVE-2009-2440 describes a cross-site scripting (XSS) vulnerability in JNM Guestbook 3.0, specifically within the index.php file. This flaw allows remote attackers to inject arbitrary web script or HTML by manipulating the 'page' parameter. The vulnerability has a CVSS score of 4.3, indicating a medium severity with low impact on integrity and no impact on confidentiality or availability, requiring medium attack complexity. While not listed in CISA's KEV catalog and showing no active exploitation or significant community discussion, public exploit code is available via ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:jnmsolutions:guestbook:3.0:*:*:*:*:*:*:*

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
1.66%
Probability of exploitation in next 30 days
EPSS Percentile
74.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-34806 · Jul 9, 2009
This CVE's current EPSS score of 0.0166 is in the 51st 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

packetstormsecurity.org / 0907-exploits/jnm-xss.txt
Exploit
secunia.com / advisories/35760
Vendor Advisory
vupen.com / english/advisories/2009/1831
Vendor Advisory