Sign-up Sheets vulnerabilities
Plugin slug sign-up-sheets · 10 known vulnerabilities · latest disclosed 2026-09-18 · WordPress.org page
Every listed vulnerability has a fix. Version 2.4.0 or later is not affected by any of them. If your site runs an older version, update it.
2 of 10 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Sign-up Sheets
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 2.3.0 | 2.4.0 | CVE-2026-92410 | 2026-09-18 | Advisory |
| High 8.1 | <= 2.3.2 | 2.3.3 | CVE-2025-49393 | 2025-09-23 | Advisory |
| Medium 4.3 | <= 2.3.3 | 2.3.3.1 | CVE-2025-49391 | 2025-08-20 | Advisory |
| Medium 6.5 | <= 2.3.0.1 | 2.3.1 | CVE-2025-26996 | 2025-04-15 | Advisory |
| Medium 6.1 | <= 2.2.12 | 2.2.13 | CVE-2024-6020 | 2024-08-13 | Advisory |
| Medium 5.3 | <= 2.2.12 | 2.2.13 | CVE-2024-39654 | 2024-08-01 | Advisory |
| Medium 4.3 | <= 2.2.11.1 | 2.2.12 | CVE-2024-31303 | 2024-04-05 | Advisory |
| Medium 4.3 | <= 2.2.8 | 2.2.9 | CVE-2023-39165 | 2023-08-07 | Advisory |
| High 8 | < 1.0.14 | 1.0.14 | CVE-2021-24441 | 2021-06-21 | Advisory |
| Medium 4.8 | < 1.0.14 | 1.0.14 | CVE-2021-24440 | 2021-06-21 | Advisory |
Check if a site is affected
Enter a site address to see which version of Sign-up Sheets and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Sign-up Sheets plugin safe to use?
All 10 known issues are fixed in current versions (2.4.0 or later). Keeping it updated is what matters.
How do I check which version of Sign-up Sheets my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.