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Vulnerability record · CVE-2021-24278 · published 14 May 2021

CVE-2021-24278: Querysol redirection for contact form 7 incorrect authorization vulnerability

Querysol · Redirection For Contact Form 7

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.

7.5 CVSS 3.1 High EPSS 7.4% · top 5.8% CWE-863 · Incorrect authorization
7.5CVSS 3.1 base score, v2 5.0
7.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-24280Querysol redirection for contact form 7 deserialization of untrusted data vulnerabilityIn 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 AJ…EPSS 2.0%6.5CVE-2021-24279Querysol redirection for contact form 7 incorrect authorization vulnerabilityIn the Redirection for Contact Form 7 WordPress plugin before 2.3.4, low level users, such as subscribers, could use the import_from_debug AJAX actio…EPSS 0.83%6.3CVE-2021-24282Querysol redirection for contact form 7 incorrect authorization vulnerabilityIn the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the various AJAX actions…EPSS 0.73%4.3CVE-2021-24281Querysol redirection for contact form 7 incorrect authorization vulnerabilityIn the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the delete_action_post A…EPSS 0.66%9.1CVE-2026-71362Adobe commerce incorrect authorization vulnerabilityAdobe Commerce is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could leverage this vul…KEVEPSS 88%8.8CVE-2026-42016JFrog Artifactory token scope bypass enables privilege escalationJFrog Artifactory (Self Hosted) before 7.133.11 validates a token's signature and issuer but not its scope, so a token can be used for actions beyond…KEVEPSS 8.6%analysed10.0CVE-2025-54253Adobe Experience Manager Forms misconfiguration allows pre-auth code executionAdobe Experience Manager Forms 6.5.23 and earlier contain a misconfiguration (CWE-863, incorrect authorization) that lets an attacker bypass security…KEVEPSS 88%analysed5.4CVE-2025-55177WhatsApp iOS and Mac linked-device sync authorization flawWhatsApp for iOS, WhatsApp Business for iOS and WhatsApp for Mac fail to fully authorize linked-device synchronization messages, letting an unrelated…KEVEPSS 4.3%analysed

Source: NIST National Vulnerability Database (record CVE-2021-24278), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.