CVE-2009-4255 json
Cross-site scripting (XSS) vulnerability in the You!Hostit!
published 2009-12-10 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4224
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in the You!Hostit! template 1.0.1 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the created_by_alias parameter in index.php.
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com http://www.exploit-db.com/exploits/10301 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
-
exploit-db.com
/exploits/10301
exploit
-
secunia.com
/advisories/37601
third-party-advisory, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/54570
vdb-entry
Sources
- CVE List CVE-2009-4255
- NVD CVE-2009-4255
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.