CVE-2009-3539 json
Multiple cross-site scripting (XSS) vulnerabilities in YourFreeWorld Ultra Classifieds Pro allow remote attackers to inject arbitrary web s…
published 2009-10-02 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3521
- 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 77%
- public exploits
- 2
- Exploit-DB
Summary
Multiple cross-site scripting (XSS) vulnerabilities in YourFreeWorld Ultra Classifieds Pro allow remote attackers to inject arbitrary web script or HTML via the (1) cname parameter to subclass.php and the (2) sn parameter to listads.php.
Timeline
- First public exploit (EDB-34745)
- Published
Exploit prediction
1.69% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-34745 YourFreeWorld Ultra Classifieds - 'subclass.php?cname' Cross-Site Scripting webapps, 2009-07-20
- EDB-34744 YourFreeWorld Ultra Classifieds - 'listads.php' Multiple Cross-Site Scripting Vulnerabilities webapps, 2009-07-20
- packetstormsecurity.org http://packetstormsecurity.org/0907-exploits/ultraclassifieds-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/ultraclassifieds-xss.txt
exploit
-
vupen.com
/english/advisories/2009/1965
vdb-entry, vendor-advisory
-
secunia.com
/advisories/35857
third-party-advisory, vendor-advisory
Sources
- CVE List CVE-2009-3539
- NVD CVE-2009-3539
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