CVE-2021-24896

CVE-2021-24896 is a medium-severity vulnerability in Calderaforms Caldera Forms with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

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.

Frequently asked questions

What is CVE-2021-24896?
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.
How severe is CVE-2021-24896?
CVE-2021-24896 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24896 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24896?
CVE-2021-24896 affects Calderaforms Caldera Forms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24896?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24896 published?
CVE-2021-24896 was published on 2021-12-13 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Calderaforms Caldera Forms

All CVEs affecting Calderaforms Caldera Forms →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →