CVE-2021-24441 json
Sign-up Sheets < 1.0.14 - Authenticated CSV Injection
published 2021-07-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11353
- cvss
- 8.0
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- fetchdesigns sign-up_sheets 1.0.14
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/ec9292b1-5cbd-4332-bdb6-2351c94f5ac6 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.0 | AV:N/AC:M/Au:S/C:P/I:P/A:P |
Affected products
- Unknown Sign-up Sheets
Classification
- Weakness
-
- CWE-1236 Improper Neutralization of Formula Elements in a CSV File
- Technology feeds
References
-
wpscan.com
/vulnerability/ec9292b1-5cbd-4332-bdb6-2351c94f5ac6
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24441
- NVD CVE-2021-24441
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.