Sign-up Sheets < 1.0.14 - Authenticated Stored Cross-Site Scripting (XSS)
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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
Why it matters now
EPSS 0.00617 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Sign-up Sheets (Unknown): 1.0.14
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Sign-up Sheets | 1.0.14 to before 1.0.14 | 1.0.14 | Patch available | CNA |
- Sign-up Sheets VendorUnknown Affected 1.0.14 to before 1.0.14 Fixed in 1.0.14 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fetchdesigns:sign-up_sheets:*:*:*:*:*:wordpress:*:* | before 1.0.14 | Vulnerable | Fetch Designs |
- cpe:2.3:a:fetchdesigns:sign-up_sheets:*:*:*:*:*:wordpress:*:* Versions before 1.0.14 Vulnerable ·Fetch Designs
Remediation
- Fix · CNA Sign-up Sheets (Unknown) Fixed in 1.0.14
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Sign-up Sheets 1.0.14
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-06731 Sign-up Sheets < 1.0.14 - Authenticated CSV InjectionPriority LOW 37
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24440
- 2026-10-03 Alias added: GHSA-q7cx-mv5x-6h53
References
More Fetch Designs Sign-up Sheets vulnerabilities
- TI-2024-05578 Sign-up Sheets < 2.2.13 - Reflected XSS CVSS 3.1MEDIUM 6.1
- TI-2023-20331 WordPress Sign-up Sheets Plugin <= 2.2.8 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
- TI-2021-06731 Sign-up Sheets < 1.0.14 - Authenticated CSV Injection CVSS 3.1HIGH 8.0
Sources
- CVE-2021-24440 · CVE Program
- CVE-2021-24440 · NVD
- FIRST EPSS
- GHSA-q7cx-mv5x-6h53 · GitHub Advisory Database · CC BY 4.0
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