All vulnerabilities

WordPress core

CVE-2012-2403

wp-includes/formatting.php in WordPress before 3.3.2 attempts to enable clickable links inside attributes, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via unspecified vectors.

Severity
Medium 4.3
Published
21 Apr 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 3.3
  • Version 3.1.3
  • Version 3.1.2
  • Version 3.1.1
All 80 release lines
  • Every version up to 3.3.1
  • 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
  • Version 3.1
  • Version 3.1.1
  • Version 3.1.2
  • Version 3.1.3
  • Version 3.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-2403
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-2403