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Servers and applications

CVE-2012-0820

Cross-site scripting (XSS) vulnerability in Joomla! 1.6.x and 1.7.x before 1.7.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2012-0822.

Severity
Medium 4.3
Published
6 Sept 2012
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
1.6% in the next 30 daysHigher than 76% 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 1.7.3
  • Version 1.7.2
  • Version 1.7.1
  • Version 1.7.0
All 28 release lines
  • Version 1.6-alpha
  • Version 1.6-alpha2
  • Version 1.6-beta1
  • Version 1.6-beta2
  • Version 1.6-beta3
  • Version 1.6-beta4
  • Version 1.6-beta5
  • Version 1.6-beta6
  • Version 1.6-beta7
  • Version 1.6-beta8
  • Version 1.6-beta9
  • Version 1.6-beta10
  • Version 1.6-beta11
  • Version 1.6-beta12
  • Version 1.6-beta13
  • Version 1.6-beta14
  • Version 1.6-beta15
  • Version 1.6-rc1
  • Version 1.6.0
  • Version 1.6.1
  • Version 1.6.3
  • Version 1.6.4
  • Version 1.6.5
  • Version 1.6.6
  • Version 1.7.0
  • Version 1.7.1
  • Version 1.7.2
  • Version 1.7.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-0820
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-0820