CVE-2011-4909
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.5.12 allow remote...
CVE-2011-4909 is a medium vulnerability (CVSS 4.3) in Joomla Joomla\!, published October 7, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.88%, the 79th percentile. No source names a fixed version.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4909- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4909- Updated
- 2026-11-02
EUVDEUVD-2011-4820 No score
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.
- Record
EUVD-2011-4820- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jmmr-9v33-pfw8 No score
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.5.12 allow remote...
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.
- Record
GHSA-jmmr-9v33-pfw8- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Joomla! 1.5.x - Cross-Site Scripting / Information Disclosure | 2009-06-01 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |
References
developer.joomla.org/security/news/298-20090604-core-frontend-xss-httpreferer-not-properly-filtered.html
osvdb.org/55589
archives.neohapsis.com/archives/bugtraq/2009-07/0012.html
secunia.com/advisories/35668
openwall.com/lists/oss-security/2011/12/25/8
securityfocus.com/bid/35544
nvd.nist.gov/vuln/detail/CVE-2011-4909
github.com/advisories/GHSA-jmmr-9v33-pfw8