HomeWordPress vulnerabilitiesSign-up Sheets
Sign-up Sheets vulnerabilities
Sign-up Sheets has 4 known vulnerabilities in this database. The most recent published record is dated 20 Sep 2026.
- Known vulnerabilities
- 4
- Active installs
- 1,000+
- Latest version
- 2.4.0
- Last updated
- 17 Sep 2026
- Most recent
- 20 Sep 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site request forgery (CSRF) CVE-2026-92410 | Medium 4.3 | Before 2.4.0 | Fixed in 2.4.0 | 20 Sep 2026 |
| Cross-site scripting (XSS) CVE-2024-6020 | Medium 6.1 | Before 2.2.13 | Fixed in 2.2.13 | 4 Sep 2024 |
| Cross-site scripting (XSS) CVE-2021-24440 | Medium 4.8 | Before 1.0.14 | Fixed in 1.0.14 | 12 Jul 2021 |
| CSV injection CVE-2021-24441 | High 8.0 | Before 1.0.14 | Fixed in 1.0.14 | 12 Jul 2021 |
Read the published descriptions
- CVE-2026-92410, 20 Sep 2026
- The Sign-up Sheets WordPress plugin before 2.4.0 does not properly validate the CSRF nonce that protects its sign-up deletion action, allowing attackers to delete sign-up records via a forged request handled in the session of a logged-in user with the required capability. CVE record
- CVE-2024-6020, 4 Sep 2024
- The Sign-up Sheets WordPress plugin before 2.2.13 does not escape some generated URLs, as well as the $_SERVER['REQUEST_URI'] parameter before outputting them back in attributes, which could lead to Reflected Cross-Site Scripting. CVE record
- CVE-2021-24440, 12 Jul 2021
- The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields when creating a new sheet, allowing high privilege users to add JavaScript in them, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard CVE record
- CVE-2021-24441, 12 Jul 2021
- The Sign-up Sheets WordPress plugin before 1.0.14 does not not sanitise or validate the Sheet title when generating the CSV to export, which could lead to a CSV injection issue CVE record
What to do if you run Sign-up Sheets
If you run Sign-up Sheets, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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