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XO Event Calendar

XO Event Calendar is a WordPress component with 1 published CVE record in this archive. The latest tracked vulnerability was published Feb 19, 2026; the highest CVE/CNA score is 6.4.

Plugin slug: xo-event-calendar

CVE-2026-0556: XO Event Calendar: Cross-site scripting

XO Event Calendar is affected by cross-site scripting. Exploitation requires at least contributor-level access. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

PublishedFeb 19, 2026
Safe version guidanceSee mitigation notes
Safe version
Feb 19, 2026 CVE-2026-0556
XO Event Calendar: Cross-site scripting
XO Event Calendar is affected by cross-site scripting. Exploitation requires at least contributor-level access. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.4
NVDPending