MAZ Loader – Preloader Builder for WordPress <= 1.3.2 - SQL Injection
Strategic Overview
- Status
- Patched in 1.3.3
- Affected Plugin
- MAZ Loader – Preloader Builder for WordPress
- Affected Version
< 1.3.3- CVSS
- 8.8High
- Weakness type
- CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
- CVE
CVE-2021-24669
At a glance
CVE-2021-24669 is a high-severity Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in the MAZ Loader WordPress plugin, affecting versions < 1.3.3. It carries a CVSS score of 8.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). The issue is fixed in version 1.3.3; sites on affected versions should update now. Disclosed October 2021, reported by apple502j.
Vulnerability Overview
The MAZ Loader – Preloader Builder for WordPress plugin before 1.3.3 does not validate or escape the loader_id parameter of the mzldr shortcode, which allows users with a role as low as Contributor to perform SQL injection.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.
CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Reaching this weakness in MAZ Loader < 1.3.3 takes a caller who can reach the endpoint. SQL injection happens when request data is concatenated into a query instead of being bound as a parameter, letting an attacker change the structure of the statement rather than just its values.
A working injection can read any table the database user can see, which on a WordPress install means user records, password hashes and session or API secrets stored in options. For MAZ Loader the fix is 1.3.3: builds < 1.3.3 are affected, anything from 1.3.3 onward is not.
Remediation
Update to version 1.3.3, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to MAZ Loader: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: MAZ Loader 1.3.3 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Other vulnerabilities in MAZ Loader – Preloader Builder for WordPress
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