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Threat Entry Updated 2026-09-21

Sign-up Sheets - Security Vulnerability (CVE-2026-92410)

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.

PLUGIN Sign-up Sheets

CVE-2026-92410

MEDIUM CVSS 4.3 2026-09-20
Threat Entry Updated 2026-06-17

Sign Up Sheets - Cross-Site Scripting (XSS) (CVE-2021-24440)

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

PLUGIN Sign Up Sheets

CVE-2021-24440

MEDIUM CVSS 4.8 2021-07-12