What is CVE-2021-25056?

CVE-2021-25056 is a medium-severity vulnerability in Ninjaforms Ninja Forms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-07-04.

How severe is CVE-2021-25056?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2021-25056 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Ninjaforms Ninja Forms

CVE-2021-25056

The Ninja Forms Contact Form WordPress plugin before 3.6.10 does not sanitise and escape field labels, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (43.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ninjaforms Ninja_forms
Unknown Ninja Forms Contact Form – The Drag And Drop Builder For Wordpress — versions 3.6.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-25056?: CVE-2021-25056 is a medium-severity vulnerability in Ninjaforms Ninja Forms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-07-04.
How severe is CVE-2021-25056?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-25056 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.