CVE-2021-24440

4.8 mediumEPSS 0.6%

Medium (4.8) in fetchdesigns sign-up sheets. EPSS 0.6% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-07-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fetchdesigns:sign-up_sheets

References

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

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