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CVE-2021-36913

Redirection for Contact Form 7 <= 2.4.0 - Unauthenticated Options Change and Content Injection vulnerability

HIGH

7.5

CVSS Score

Published: October 11, 2022 at 05:04 PM UTC

Updated: June 17, 2026 at 03:59 AM UTC

2 products affected across 2 vendorsRedirection for Contact Form 7For Contact FORM7 Redirection for Contact Form 7

Using Redirection for Contact Form 7 (WordPress plugin) by Qube One?

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Severity

HIGH7.5

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional extension (plugin) AccessiBe.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Redirection for Contact Form 7 · Redirection for Contact FORM7wordpress-plugin

95%

v < 2.6.0

Affected range stops below 2.6.0, so it looks safe — our inference, not a vendor statement

For Contact FORM7 Redirection for Contact Form 7 · Qube Onewordpress-plugin

60%

<= 2.4.0 ≤ v ≤ 2.4.0<= 2.4.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory

Source: [email protected]

https://patchstack.com/database/vulnerability/wpcf7-redirect/wordpress-redirection-for-contact-form-7-plugin-2-4-0-unauthenticated-options-change-vulnerability?_s_id=cve

ProductThird Party Advisory

Source: [email protected]

https://wordpress.org/plugins/wpcf7-redirect/#developers

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHPatchstack

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: CHANGED
Confidentiality: HIGH
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-284CWE-74

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