CVE-2021-24871
Get Custom Field Values < 4.0.1 - Contributor+ Stored Cross-Site Scripting
The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before outputting them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before outputting them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
- Record
CVE-2021-24871- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Get Custom Field Values < 4.0.1 - Contributor+ Stored Cross-Site Scripting
The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before outputting them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
- Record
CVE-2021-24871- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11783 No score
The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before outputting them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
- Record
EUVD-2021-11783- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xvr9-h38m-rc5q No score
The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before...
The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before outputting them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
- Record
GHSA-xvr9-h38m-rc5q- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
The Get Custom Field Values WordPress plugin before 4.0.1 does not escape custom fields before outputting them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
- Record
CVE-2021-24871- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24871 is a medium vulnerability (CVSS 5.4) in Get Custom Field Values Project Custom Field Values, published December 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. No source names a fixed version.