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    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

    Published:Jul 12, 2021
    Last Modified:Nov 21, 2024
    EPS:Jul 12, 2021
    EPSS Score:0.00186
    CVSS Score:4.8

    Affected Products

    Vendor
    Fetchdesigns
    Product
    Sign-up Sheets

    Exploits

    https://wpscan.com/vulnerability/ba4503f7-684e-4274-bc53-3aa848712496https://wpscan.com/vulnerability/ba4503f7-684e-4274-bc53-3aa848712496

    Related CVEs

    CVE-2025-49393 (CVSS 9.8) — Deserialization of Untrusted Data vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Object I…
    CVE-2025-49391 (CVSS 4.3) — Cross-Site Request Forgery (CSRF) vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Cross Si…
    CVE-2024-39654 (CVSS 5.3) — Missing Authorization vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets.This issue affects Sign-up …
    CVE-2024-6020 (CVSS 6.1) — The Sign-up Sheets WordPress plugin before 2.2.13 does not escape some generated URLs, as well as the $_SERVER…
    CVE-2023-39165 (CVSS 5.4) — Cross-Site Request Forgery (CSRF) vulnerability in Fetch Designs Sign-up Sheets plugin <= 2.2.8 versions.…
    CVE-2021-24441 (CVSS 8) — The Sign-up Sheets WordPress plugin before 1.0.14 does not not sanitise or validate the Sheet title when gener…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High