What is CVE-2021-24280?

CVE-2021-24280 is a high-severity vulnerability in Querysol Redirection For Contact Form 7, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2021-05-14.

How severe is CVE-2021-24280?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-24280 known to be exploited?

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

Deserialization in Querysol Redirection For Contact Form 7

CVE-2021-24280

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the import_from_debug AJAX action to inject PHP objects.

Vulnerability class: Insecure Deserialization

EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Querysol Redirection_for_contact_form_7
Query Solutions Redirection For Contact Form 7 — versions 2.3.4

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

contact@wpscan.com (Exploit, x_refsource_MISC, Vendor Advisory)
contact@wpscan.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2021-24280?: CVE-2021-24280 is a high-severity vulnerability in Querysol Redirection For Contact Form 7, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2021-05-14.
How severe is CVE-2021-24280?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-24280 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.