Security readout for executives and security teams
Plain-English summary
CVE-2026-28114 is a critical file-upload flaw in the WordPress WooCommerce License Manager plugin by firassaidi. A highly privileged attacker could upload a dangerous file type, potentially leading to web shell placement and full site compromise. The sources do not show confirmed active exploitation or a named fixed version.
Executive priority
Treat this as urgent for any business-critical WordPress site using this plugin. The vulnerability can lead to full site compromise, but it appears to require high privileges and has no cited active exploitation in the provided sources. Prioritize inventory, version verification, and vendor-guided remediation.
Technical view
The issue is CWE-434: unrestricted upload of a dangerous file type in fs-license-manager, affecting WooCommerce License Manager through version 7.0.6 per the CVE description. CVSS 3.1 is 9.1 with network access, low complexity, high privileges required, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress environments running the firassaidi WooCommerce License Manager / fs-license-manager plugin at affected versions. Risk is highest where administrative or otherwise high-privilege accounts are compromised or shared. Version data in the supplied bundle is inconsistent, so inventory confirmation is important.
Exploitation context
The CVSS vector requires high privileges, so this is not described as unauthenticated exploitation. If abused, the vulnerability may allow upload of a web shell to the server. The provided sources do not indicate CISA KEV listing or confirmed in-the-wild exploitation.
Researcher notes
The supplied metadata has version ambiguity: the title says <= 7.0.6, while the Patchstack URL references 6.0.5 and the affected object lists version 0 with defaultStatus unaffected. Use the CVE description as the primary affected-version statement, but verify against Patchstack or vendor updates before closing remediation.
Mitigation direction
- Identify all WordPress sites using fs-license-manager or WooCommerce License Manager.
- Check the installed plugin version against vendor and Patchstack guidance.
- Update or remove the plugin if vendor guidance identifies a safe version.
- Restrict high-privilege WordPress accounts and review administrator access.
- Monitor web roots and upload directories for unexpected executable files.
Validation and detection
- Review WordPress plugin inventory for fs-license-manager installations.
- Confirm plugin version from WordPress admin or asset management records.
- Check Patchstack and CVE records for updated affected and fixed version details.
- Review recent admin account activity for unusual plugin or file-management actions.
- Inspect server logs for suspicious upload activity without reproducing the exploit.
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-434: 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-28114 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
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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:H/UI:N/S:C/C:H/I:H/A:H2.36Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source materials
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.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.