CVE-2009-2440 json
Cross-site scripting (XSS) vulnerability in index.php in JNM Guestbook 3.0 allows remote attackers to inject arbitrary web script or HTML v…
published 2009-07-13 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2435
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 1
- Exploit-DB
Summary
Cross-site scripting (XSS) vulnerability in index.php in JNM Guestbook 3.0 allows remote attackers to inject arbitrary web script or HTML via the page parameter.
Timeline
- First public exploit (EDB-34806)
- Published
Exploit prediction
1.66% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-34806 JNM Guestbook 3.0 - 'index.php' Cross-Site Scripting webapps, 2009-07-09
- packetstormsecurity.org http://packetstormsecurity.org/0907-exploits/jnm-xss.txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.org
/0907-exploits/jnm-xss.txt
exploit
-
vupen.com
/english/advisories/2009/1831
vdb-entry, vendor-advisory
-
secunia.com
/advisories/35760
third-party-advisory, vendor-advisory
Sources
- CVE List CVE-2009-2440
- NVD CVE-2009-2440
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.