QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2026-22216

Back to search

CVE-2026-22216

Published: Mar 13, 2026

Modified: Mar 13, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.WpdiscuzHelperAjax.php. Attackers can exploit LIKE wildcard characters in the subscription query to match multiple email addresses and generate unwanted notification emails to victim accounts.

VendorProductVersions

gVectors

wpDiscuz

affected
0 - < 7.6.47
unaffected
7.6.47

Weaknesses (CWE)

CWE-799

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

References

wpDiscuz
product

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now