WordPress plugin
Spiffy Calendar security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 15 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical1
- High1
- Medium13
- Low0
All Spiffy Calendar vulnerabilities
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Spiffy Calendar: common questions
Does Spiffy Calendar have known vulnerabilities?
Yes. VulnCrest Radar lists 15 known vulnerabilities in Spiffy Calendar: 1 critical, 1 high, 13 medium. None are known to affect version null.
How do I check which version of Spiffy Calendar I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Spiffy Calendar vulnerability?
CVE-2026-39071, published Aug 28, 2026: Spiffy Calendar <= 5.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any Spiffy Calendar vulnerability listed in CISA KEV?
No. None of the known Spiffy Calendar vulnerabilities is currently listed in the CISA KEV catalog.