Security readout for executives and security teams
Plain-English summary
CVE-2021-24520 affects the WordPress plugin Stock in & out through version 1.0.4. A logged-in user with contributor-level access or higher may be able to manipulate database queries. For exposed WordPress sites, the main business risk is unauthorized access to or alteration of site data.
Executive priority
Prioritize if the plugin is installed on production or customer-facing WordPress sites. Urgency rises when many contributor-level users exist or account compromise is plausible. If the plugin is not installed, no action is needed beyond documentation.
Technical view
The issue is CWE-89 SQL injection caused by insufficient sanitization before variables are passed into an SQL request. The provided sources identify Stock in & out through 1.0.4 as affected and state exploitation requires a WordPress role of contributor or higher.
Likely exposure
Exposure is limited to WordPress sites running Stock in & out version 1.0.4 or earlier, especially where contributor or higher accounts exist. The vendor is not clearly identified in the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Public vulnerability references exist, so defenders should treat the issue as known, but not confirmed exploited from the provided evidence.
Researcher notes
Evidence is concise and incomplete: CVSS, fixed version, and vendor identity are not supplied in the bundle. Analysis should remain scoped to authenticated SQL injection in Stock in & out through 1.0.4.
Mitigation direction
- Inventory WordPress sites for Stock in & out installations.
- Check WPScan or vendor guidance for a fixed release.
- Disable or replace the plugin if no maintained fix is available.
- Reduce contributor-or-higher accounts to only trusted users.
- Review affected sites for suspicious database or plugin activity.
Validation and detection
- Confirm installed plugin name and version on each WordPress site.
- Identify all users with contributor, author, editor, or administrator roles.
- Verify whether version 1.0.4 or earlier is present.
- After remediation, confirm the vulnerable plugin version is absent.
- Review logs for unusual plugin requests or SQL error patterns.
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-2021-24520 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://github.com/pang0lin/CVEproject/blob/main/wordpress_Stock-in-and-out_sqli.mdCVE reference · x_refsource_MISC
- https://wpscan.com/vulnerability/f903aadd-17af-4ddf-8635-abb3338ac815CVE 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.