Security readout for executives and security teams
Plain-English summary
CVE-2026-23799 is a missing authorization issue in the WordPress Tutor LMS plugin. A logged-in user may be able to access data they should not be allowed to view. The public record rates it medium severity because exploitation requires an account, but potential confidentiality impact is high.
Executive priority
Treat as a near-term remediation item for WordPress sites that host learning content or user data. It is not currently flagged as known exploited in the provided sources, but the potential confidentiality impact makes prompt inventory and vendor-guided updating appropriate.
Technical view
The issue is classified as CWE-862, Missing Authorization, affecting Themeum Tutor LMS through version 3.9.5. CVSS 3.1 is 6.5: network-accessible, low complexity, privileges required, no user interaction, high confidentiality impact, and no stated integrity or availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running Tutor LMS version 3.9.5 or earlier, especially sites allowing student, instructor, or other low-privilege accounts. Sites without the plugin, or running versions outside the affected range, are not indicated as affected by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates an attacker needs a valid low-privilege account and can act remotely without user interaction. Public sources provided do not include exploit details, proof-of-concept status, or a named fixed version.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference. The bundle identifies missing authorization in Tutor LMS through 3.9.5 but does not provide endpoint details, proof-of-concept information, exploit telemetry, or a fixed version. Avoid assuming impact beyond confidentiality without additional vendor detail.
Mitigation direction
- Inventory WordPress sites using the Tutor LMS plugin.
- Identify any installations running Tutor LMS 3.9.5 or earlier.
- Check Themeum and Patchstack guidance for a fixed release or vendor workaround.
- Upgrade when a vendor-supported fixed version is confirmed.
- Disable the plugin where it is not business-critical.
- Limit LMS account creation to trusted users until remediated.
Validation and detection
- Confirm installed Tutor LMS version on each WordPress site.
- Review whether untrusted users can create or hold LMS accounts.
- Check vendor advisories for updated affected and fixed version details.
- Review logs for unusual Tutor LMS data access by low-privilege users.
- Re-test authorization boundaries after updating or applying vendor guidance.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2026-23799 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.