CVE-2021-24896 json
Caldera forms < 1.9.5 - Admin+ Stored Cross-Site Scripting
published 2021-12-13 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11808
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
The Caldera Forms WordPress plugin before 1.9.5 does not sanitise and escape the Form Name before outputting it in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Patch / fix
- calderaforms caldera_forms 1.9.5
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/2c469e8b-c761-460b-b31d-9219a43006ff referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/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 Caldera Forms – More Than Contact Forms
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/2c469e8b-c761-460b-b31d-9219a43006ff
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24896
- NVD CVE-2021-24896
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.