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WordPress core

CVE-2010-4536

Multiple cross-site scripting (XSS) vulnerabilities in KSES, as used in WordPress before 3.0.4, allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) the & (ampersand) character, (2) the case of an attribute name, (3) a padded entity, and (4) an entity that is not in normalized form.

Severity
Medium 4.3
Published
3 Jan 2011
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 3.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-4536
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-4536