Security readout for executives and security teams
Plain-English summary
This affects the WordPress Side Menu Lite plugin before version 2.2.1. A logged-in administrator, or someone allowed to manage the plugin, could make the plugin build unsafe database queries. The practical business risk is highest where WordPress admin accounts are shared, weakly protected, or already compromised.
Executive priority
Treat as a targeted WordPress hardening item, not a broad emergency from the provided evidence. Prioritize remediation on internet-facing, business-critical, or poorly governed WordPress sites.
Technical view
CVE-2021-24521 is an authenticated SQL injection in Side Menu Lite caused by insufficient sanitization of browser-supplied input used in SQL statement construction. Sources describe exploitation requiring administrator role or equivalent plugin-management permission. No CVSS score is provided in the bundle.
Likely exposure
Exposure is limited to WordPress sites running Side Menu Lite before 2.2.1, especially sites with multiple administrators or delegated plugin managers. Public-facing WordPress admin access increases concern, but attacker authentication is required.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. Public references include vulnerability details, but the provided evidence supports authenticated SQL injection only, not unauthenticated exploitation or broad in-the-wild compromise.
Researcher notes
Key uncertainty is scoring: the source bundle provides no CVSS vector or detailed affected-version matrix beyond before 2.2.1. The administrator requirement materially limits reach, but SQL injection can still affect confidentiality and integrity after privileged access.
Mitigation direction
- Update Side Menu Lite to version 2.2.1 or later where available.
- Restrict plugin-management permissions to trusted administrators only.
- Audit WordPress administrator accounts for unused, shared, or weakly protected access.
- Check vendor and WPScan guidance for any newer remediation notes.
Validation and detection
- Inventory WordPress sites for the Side Menu Lite plugin and installed version.
- Confirm whether any instance runs a version before 2.2.1.
- Review who has administrator or plugin-management permissions on affected sites.
- Check web and WordPress logs for unusual administrator plugin activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-24521 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/eb21ebc5-265c-4378-b2c6-62f6bc2f69cdCVE reference · x_refsource_MISC
- https://github.com/pang0lin/CVEproject/blob/main/wordpress_side-menu-lite_sqli.mdCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.