Security readout for executives and security teams
Plain-English summary
CVE-2026-1389 affects the WordPress Document Embedder plugin up to version 2.0.4. A logged-in user with Author-level access or higher could access, change, or delete document library entries owned by other users, including administrators. This is not described as unauthenticated remote compromise, but it can create content integrity and operational risk on multi-user sites.
Executive priority
Treat as a moderate-priority fix. Prioritize sites with many content contributors, external authors, or sensitive documents. This is less urgent than unauthenticated code execution, but delayed remediation can allow trusted or compromised contributor accounts to tamper with document library content.
Technical view
The issue is an insecure direct object reference, CWE-639, in AJAX actions bplde_save_document_library, bplde_get_single, and bplde_delete_document_library. The plugin did not verify permissions for the requested resource identified by the id parameter. CVSS 3.1 score is 4.3: network-accessible, low complexity, low privileges, no user interaction, integrity impact only.
Likely exposure
Exposure is most relevant for WordPress sites running Document Embedder versions up to and including 2.0.4, especially sites with multiple contributors, authors, editors, or potentially compromised Author-level accounts.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Abuse requires authentication with Author-level privileges or above. The practical risk is unauthorized manipulation or deletion of document library records inside WordPress.
Researcher notes
The provided references identify vulnerable AJAX handlers and a later 2.0.5 source file. The bundle does not include exploit activity evidence. Analysis should focus on authorization checks around object ownership and capability validation for document library operations.
Mitigation direction
- Upgrade Document Embedder beyond version 2.0.4 if vendor guidance confirms the fixed release.
- If immediate upgrade is not possible, restrict Author-level and higher accounts to trusted users.
- Review plugin vendor and Wordfence guidance for the current remediation recommendation.
- Audit document library entries for unexpected changes or deletions.
- Consider temporarily disabling the plugin if document integrity is business-critical.
Validation and detection
- Inventory WordPress sites using the Document Embedder plugin.
- Confirm installed plugin version is greater than 2.0.4.
- Review WordPress users with Author, Editor, or Administrator roles.
- Check document library records for unauthorized modifications or deletions.
- Validate in staging that users cannot access other users’ document library entries.
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-639: 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 lookupCVE-2026-1389 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/59d14f6c-6286-454c-8629-96a0c2de943c?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/document-emberdder/tags/2.0.3/includes/DocumentLibrary/Init-DocumentLibrary.php#L66CVE reference
- https://plugins.trac.wordpress.org/browser/document-emberdder/tags/2.0.5/includes/DocumentLibrary/Init-DocumentLibrary.phpCVE 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.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.