What is CVE-2021-24441?

CVE-2021-24441 is a high-severity vulnerability in Fetchdesigns Sign-Up Sheets, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.0/10. Published 2021-07-12.

How severe is CVE-2021-24441?

High severity. CVSS v3 base score is 8.0 out of 10.

Is CVE-2021-24441 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Fetchdesigns Sign-Up Sheets

CVE-2021-24441

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

Published 2021-07-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.5th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Fetchdesigns Sign-Up Sheets
Sign-Up Sheets — versions 1.0.14

Weakness classification (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/ec9292b1-5cbd-4332-bdb6-2351c94f5ac6 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-24441?: CVE-2021-24441 is a high-severity vulnerability in Fetchdesigns Sign-Up Sheets, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.0/10. Published 2021-07-12.
How severe is CVE-2021-24441?: High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2021-24441 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.