CVE-2023-30872 HIGH

CVE-2023-30872: WordPress BSK Forms Blacklist Plugin <= 3.6.2 is vulnerable to SQL Injection

Vendor Bannersky

Product BSK Forms Blacklist

Weakness CWE-89 · SQLi

Published December 20, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.6/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction None

Confidentiality High

Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in BannerSky BSK Forms Blacklist.This issue affects BSK Forms Blacklist: from n/a through 3.6.2.

Explanation of Vulnerability in Simple Terms

02Summary

BSK Forms Blacklist versions up to 3.6.2 contain a SQL injection vulnerability accessible to high-privilege users. An attacker with admin or equivalent access can inject malicious SQL commands through form input, potentially reading sensitive database records. The vulnerability affects the site's database confidentiality and may cause service disruption.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database or cause service disruption.

Potential impact on your site

04Site Impact

Admins with compromised accounts could expose user data or disrupt site operations via database manipulation.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or equivalent privileges on the site.

Key dates

06Disclosure timeline

December 20, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-30872 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/89.html AskarLabs — CWE-89 write-up SQL Injection

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