CVE-2021-24278

Redirection for Contact Form 7 < 2.3.4 - Unauthenticated Arbitrary Nonce Generation

EPSS 7.4%CWE-863

Vexday Risk Score

18Low

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS —EPSS 7.4%KEV nãoPoC —Nuclei simMetasploit —Patch —

Lifecycle

14 May 2021Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

Affected products

Query Solutions · Redirection for Contact Form 7

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References

https://wpscan.com/vulnerability/99f30604-d62b-4e30-afcd-b482f8d66413 https://www.wordfence.com/blog/2021/04/severe-vulnerabilities-patched-in-redirection-for-contact-form-7-plugin/