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.
- Critical0
- High2
- Medium8
- Low0
All Sign-up Sheets vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Cross-Site Request Forgery ≤2.3.0Update to 2.4.0 | CVE-2026-92410 | |
| High8.1 | Unauthenticated PHP Object Injection ≤2.3.2Update to 2.3.3 | CVE-2025-49393 | |
| Medium4.3 | Cross-Site Request Forgery ≤2.3.3Update to 2.3.3.1 | CVE-2025-49391 | |
| Medium6.5 | Unauthenticated Arbitrary Shortcode Execution ≤2.3.0.1Update to 2.3.1 | CVE-2025-26996 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤2.2.12Update to 2.2.13 | CVE-2024-6020 | |
| Medium5.3 | Missing Authorization ≤2.2.12Update to 2.2.13 | CVE-2024-39654 | |
| Medium4.3 | Cross-Site Request Forgery ≤2.2.11.1Update to 2.2.12 | CVE-2024-31303 | |
| Medium4.3 | Cross-Site Request Forgery ≤2.2.8Update to 2.2.9 | CVE-2023-39165 | |
| High8.0 | Authenticated CSV Injection <1.0.14Update to 1.0.14 | CVE-2021-24441 | |
| Medium4.8 | Stored Cross-Site Scripting <1.0.14Update to 1.0.14 | CVE-2021-24440 |
- Medium4.3Cross-Site Request Forgery
≤2.3.0Update to 2.4.0
- High8.1Unauthenticated PHP Object Injection
≤2.3.2Update to 2.3.3
- Medium4.3Cross-Site Request Forgery
≤2.3.3Update to 2.3.3.1
- Medium6.5Unauthenticated Arbitrary Shortcode Execution
≤2.3.0.1Update to 2.3.1
- Medium6.1Reflected Cross-Site Scripting
≤2.2.12Update to 2.2.13
- Medium5.3Missing Authorization
≤2.2.12Update to 2.2.13
- Medium4.3Cross-Site Request Forgery
≤2.2.11.1Update to 2.2.12
- Medium4.3Cross-Site Request Forgery
≤2.2.8Update to 2.2.9
- High8.0Authenticated CSV Injection
<1.0.14Update to 1.0.14
- Medium4.8Stored Cross-Site Scripting
<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.