Spiffy Calendar < 3.3.0 - Reflected Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2017-9420
CVSS 6.1 (Medium)
Publicly Published June 2, 2017
Last Updated December 15, 2022
Researcher Dimitrios Tsagkarakis


Cross site scripting (XSS) vulnerability in the Spiffy Calendar plugin before 3.3.0 for WordPress allows remote attackers to inject arbitrary JavaScript via the yr parameter.



1 affected software package

Software Type Plugin
Software Slug spiffy-calendar (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.3.0, or a newer patched version
Affected Version
  • < 3.3.0
Patched Version
  • 3.3.0

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