CVE-2021-24669Public exploitNetwork attack vector

Contributor-level SQL injection via unescaped loader_id

Published Nov 8, 2021 · Updated Aug 3, 2024

SQL injection in MAZ Loader – Preloader Builder for WordPress before 1.3.3 allows remote authenticated users to read WordPress database data. The mzldr shortcode passes its unvalidated, unescaped loader_id attribute into a database query, allowing injected UNION clauses to alter the query. Contributor-level access and the ability to create or preview shortcode content are required; successful exploitation can disclose account names and password hashes.

CVSS severity8.8
High
EPSS probability1.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in MAZ Loader – Preloader Builder for WordPress before 1.3.3 allows remote authenticated users to read WordPress database data. The mzldr shortcode passes its unvalidated, unescaped loader_id attribute into a database query, allowing injected UNION clauses to alter the query. Contributor-level access and the ability to create or preview shortcode content are required; successful exploitation can disclose account names and password hashes.

The record

CVE
CVE-2021-24669
Published
Nov 8, 2021
Updated
Aug 3, 2024
Vendor
Feataholic
Product
MAZ Loader – Preloader Builder for WordPress
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 8, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.3.3 <1.3.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Feataholic · MAZ Loader – Preloader Builder for WordPressversion=1.3.3 <1.3.3

Published CVSS scores

6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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