Security readout for executives and security teams
Plain-English summary
CVE-2026-27983 is a critical privilege escalation issue in the WordPress LMS Elementor Pro plugin through version 1.0.4. A successful attacker could gain elevated permissions on a site. Public sources do not confirm active exploitation or identify a fixed version in the provided data.
Executive priority
Prioritize this for immediate assessment on any business-critical WordPress site. If the plugin is present and no vendor-fixed version is available, reduce exposure quickly by removing or disabling it where operationally possible.
Technical view
The CVE describes incorrect privilege assignment, CWE-266, in designthemes LMS Elementor Pro package lms-elementor-pro. The CVSS 3.1 score is 9.8 with network attack vector, low complexity, no privileges, and no user interaction, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running LMS Elementor Pro version 1.0.4 or earlier. Internet-facing WordPress sites using this plugin should be treated as higher priority because the CVSS vector indicates unauthenticated network exploitability.
Exploitation context
The source bundle does not provide exploit code, proof of concept, or confirmation of active exploitation. The CVE is not listed as KEV in the provided data. Treat risk as serious due to potential unauthenticated privilege escalation, not because exploitation is confirmed.
Researcher notes
Available public details are sparse. The CVE and Patchstack entry identify the product, affected range, CWE, and critical CVSS vector, but do not include root-cause specifics, exploit status, or remediation details in the provided bundle.
Mitigation direction
- Inventory WordPress sites for LMS Elementor Pro installations.
- Identify any plugin versions at or below 1.0.4.
- Check vendor and Patchstack guidance for a fixed or safe version.
- If no fix is available, consider disabling or removing the plugin.
- Limit administrative access and monitor for unexpected role changes.
Validation and detection
- Confirm plugin presence and version across all WordPress environments.
- Review WordPress users for unexpected administrator or elevated roles.
- Check recent plugin, theme, and user-management changes.
- Review security logs for suspicious account creation or privilege changes.
- Document affected sites and remediation decisions.
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-266: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-27983 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
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.
Incorrect Privilege Assignment
Incorrect Privilege Assignment represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.