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

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-20 · updated 2026-06-17
Weakness: CWE-89

Description

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.

Affected products

BannerSky BSK Forms Blacklist: before 3.6.3 — fixed in 3.6.3

How to fix

Upgrade to a fixed version: BannerSky BSK Forms Blacklist 3.6.3. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/bsk-gravityforms-blacklist/wordpress-bsk-forms-blacklist-plugin-3-6-2-sql-injection-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/bsk-gravityforms-blacklist/wordpress-bsk-forms-blacklist-plugin-3-6-2-sql-injection-vulnerability?_s_id=cve

Get alerted when CVE-2023-30872 or the next vulnerability affects your stack