All vulnerabilities

WordPress core

CVE-2013-4338

wp-includes/functions.php in WordPress before 3.6.1 does not properly determine whether data has been serialized, which allows remote attackers to execute arbitrary code by triggering erroneous PHP unserialize operations.

Severity
High 7.5
Published
12 Sept 2013
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • Every version up to 3.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-4338
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-4338