Auth bypass in Querysol Redirection For Contact Form 7

CVE-2021-24278

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, unauthenticated users can use the wpcf7r_get_nonce AJAX action to retrieve a valid nonce for any WordPress action/function.

Vulnerability class: Broken Access Control

EPSS: 0.074 (93.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24278?
CVE-2021-24278 is a high-severity vulnerability in Querysol Redirection For Contact Form 7, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2021-05-14.
How severe is CVE-2021-24278?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-24278 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.