CVE-2021-36913 - CVE House
Back to Database
Status published High CVE-2021-36913

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-36913

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Vulnerability discovered by John Castro aka mirphak (Patchstack Alliance)

References

Affected Vendor

Affected Software

Redirection for Contact Form 7 (WordPress plugin)
Vulnerable Versions:
<= 2.4.0

Timeline

Official Publish: October 11th, 2022
Last Modified: April 28th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

Weaknesses (CWE)

CWE-284

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1078 Valid Accounts
Persistence
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact