All vulnerabilities

WordPress core

CVE-2011-4956

Cross-site scripting (XSS) vulnerability in WordPress before 3.1.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Severity
Medium 4.3
Published
27 Jun 2012
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • Version 3.0.6
  • Version 3.0.5
  • Version 3.0.4
  • Version 3.0.3
All 75 release lines
  • Every version up to 3.1
  • Version 0.71
  • Version 1.0
  • Version 1.0.1
  • Version 1.0.2
  • Version 1.1.1
  • Version 1.2
  • Version 1.2.1
  • Version 1.2.2
  • Version 1.2.3
  • Version 1.2.4
  • Version 1.2.5-a
  • Version 1.2.5
  • Version 1.3
  • Version 1.3.2
  • Version 1.3.3
  • Version 1.5
  • Version 1.5.1
  • Version 1.5.1.1
  • Version 1.5.1.2
  • Version 1.5.1.3
  • Version 1.5.2
  • Version 2.0
  • Version 2.0.1
  • Version 2.0.2
  • Version 2.0.4
  • Version 2.0.5
  • Version 2.0.6
  • Version 2.0.7
  • Version 2.0.8
  • Version 2.0.9
  • Version 2.0.10
  • Version 2.0.11
  • Version 2.1
  • Version 2.1.1
  • Version 2.1.2
  • Version 2.1.3
  • Version 2.2
  • Version 2.2.1
  • Version 2.2.2
  • Version 2.2.3
  • Version 2.3
  • Version 2.3.1
  • Version 2.3.2
  • Version 2.3.3
  • Version 2.5
  • Version 2.5.1
  • Version 2.6
  • Version 2.6.1
  • Version 2.6.2
  • Version 2.6.3
  • Version 2.6.5
  • Version 2.7
  • Version 2.7.1
  • Version 2.8
  • Version 2.8.1
  • Version 2.8.2
  • Version 2.8.3
  • Version 2.8.4-a
  • Version 2.8.4
  • Version 2.8.5
  • Version 2.8.5.1
  • Version 2.8.5.2
  • Version 2.8.6
  • Version 2.9
  • Version 2.9.1
  • Version 2.9.1.1
  • Version 2.9.2
  • Version 3.0
  • Version 3.0.1
  • Version 3.0.2
  • Version 3.0.3
  • Version 3.0.4
  • Version 3.0.5
  • Version 3.0.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4956
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4956