Security readout for executives and security teams
Plain-English summary
This issue affects the WooCommerce Currency Switcher FOX WordPress plugin before 1.3.7. A low-privilege authenticated user could abuse the woocs shortcode to include local files. For an ecommerce site, that can expose sensitive data and may support broader compromise depending on file contents and server configuration.
Executive priority
Prioritize remediation for public ecommerce sites because the flaw needs only a low-privilege account and can expose local files. Upgrade should be scheduled urgently, with temporary plugin disablement considered for high-value stores that cannot patch quickly.
Technical view
CVE-2021-24566 is a CWE-22 local file inclusion vulnerability in the plugin's woocs shortcode handling. The published CVSS 3.1 score is 8.8 with network access, low attack complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on WordPress/WooCommerce sites running WooCommerce Currency Switcher FOX earlier than 1.3.7, especially where untrusted or low-privilege users can authenticate and use shortcode-capable content paths.
Exploitation context
The bundle includes a WPScan reference tagged as exploit, but it does not show CISA KEV listing or confirmed active exploitation. Treat this as publicly documented and practical to validate, but do not claim in-the-wild exploitation from these sources alone.
Researcher notes
The source bundle identifies the vulnerable component, attack class, shortcode vector, privilege requirement, and fixed version. It does not provide enough evidence to assert affected hosting configurations, exploitation in the wild, or complete post-exploitation impact across deployments.
Mitigation direction
- Upgrade WooCommerce Currency Switcher FOX to version 1.3.7 or later.
- If immediate upgrade is impossible, disable the plugin pending vendor guidance.
- Restrict low-privilege user accounts and content creation permissions.
- Review vendor and WordPress security guidance for site-specific hardening.
- Back up the site before plugin remediation changes.
Validation and detection
- Inventory WordPress sites for the WooCommerce Currency Switcher FOX plugin.
- Confirm installed plugin version is 1.3.7 or later.
- Review roles allowed to create or render shortcode content.
- Check web and application logs for unusual shortcode-related requests.
- Assess whether sensitive local files may have been exposed.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupCVE-2021-24566 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/a0bc4b13-53fe-462d-8306-8915196d3a5a/CVE reference · exploit, vdb-entry
- https://jetpack.com/2021/07/22/severe-vulnerability-patched-in-woocommerce-currency-switcher/CVE reference
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.