WordPress plugin
QuickCal security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High2
- Medium2
- Low0
All QuickCal vulnerabilities
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QuickCal: common questions
Does QuickCal have known vulnerabilities?
Yes. VulnCrest Radar lists 4 known vulnerabilities in QuickCal: 2 high, 2 medium. At least one is not fixed in the latest version.
How do I check which version of QuickCal 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 QuickCal vulnerability?
CVE-2026-15984, published Sep 4, 2026: QuickCal <= 1.0.20 - Unauthenticated Stored Cross-Site Scripting via Custom Field Parameters. Severity: High (CVSS 7.2).
Is any QuickCal vulnerability listed in CISA KEV?
No. None of the known QuickCal vulnerabilities is currently listed in the CISA KEV catalog.