CVE-2021-24871 json
Get Custom Field Values < 4.0.1 - Contributor+ Stored Cross-Site Scripting
published 2021-12-13 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11783
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- get_custom_field_values_project get_custom_field_values 4.0.1
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/28007c80-dc14-4987-a52c-f2a05cfe5905 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Unknown Get Custom Field Values
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/28007c80-dc14-4987-a52c-f2a05cfe5905
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24871
- NVD CVE-2021-24871
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