Servers and applications
CVE-2011-4909
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.5.12 allow remote attackers to inject arbitrary web script or HTML via the HTTP_REFERER header to (1) components/com_content/views/article/tmpl/form.php, (2) components/com_user/controller.php, (3) plugins/system/legacy/html.php, or (4) templates/beez/html/com_content/article/form.php.
- Severity
- Medium 4.3
- Published
- 7 Oct 2012
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Exploit chance
- 1.9% in the next 30 daysHigher than 79% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- Cross-site scripting (CWE-79)
- Attack
- Over the network · No login needed
- Attacker can
- Change some data
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Joomla!Servers and applications · cpe:a:joomla:joomla\! |
All 12 release lines
|