WordPress plugin
Sign-up Sheets security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 10 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
10Known vulnerabilities
- Critical0
- High2
- Medium8
- Low0
All Sign-up Sheets vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.1 | Unauthenticated PHP Object Injection ≤2.3.2Update to 2.3.3 | CVE-2025-49393 | |
| High8.0 | Authenticated CSV Injection <1.0.14Update to 1.0.14 | CVE-2021-24441 |
- High8.1Unauthenticated PHP Object Injection
≤2.3.2Update to 2.3.3
- High8.0Authenticated CSV Injection
<1.0.14Update to 1.0.14
Sign-up Sheets: common questions
Does Sign-up Sheets have known vulnerabilities?
Yes. VulnCrest Radar lists 10 known vulnerabilities in Sign-up Sheets: 2 high, 8 medium. None are known to affect version null.
How do I check which version of Sign-up Sheets 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 Sign-up Sheets vulnerability?
CVE-2026-92410, published Sep 18, 2026: Sign-up Sheets <= 2.3.0 - Cross-Site Request Forgery. Severity: Medium (CVSS 4.3).
Is any Sign-up Sheets vulnerability listed in CISA KEV?
No. None of the known Sign-up Sheets vulnerabilities is currently listed in the CISA KEV catalog.