All vulnerabilities

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

SoftwareAffected versions
Joomla!Servers and applications · cpe:a:joomla:joomla\!
  • Version 1.5.10
  • Version 1.5.9
  • Version 1.5.8
  • Version 1.5.7
All 12 release lines
  • Every version up to 1.5.11
  • Version 1.5.0
  • Version 1.5.1
  • Version 1.5.2
  • Version 1.5.3
  • Version 1.5.4
  • Version 1.5.5
  • Version 1.5.6
  • Version 1.5.7
  • Version 1.5.8
  • Version 1.5.9
  • Version 1.5.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4909
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4909