Security readout for executives and security teams
Plain-English summary
CVE-2026-25402 is a broken access control issue in the WordPress “Knowledge Base for Documentation, FAQs with AI Assistance” plugin. Authenticated users may be able to perform actions they should not be authorized to perform. The published severity is medium, with limited integrity impact and no stated confidentiality or availability impact.
Executive priority
Treat this as a routine but timely WordPress plugin risk. Prioritize internet-facing sites with user registration, contributor accounts, customer portals, or shared editorial access. It is not currently evidenced as actively exploited, but broken access control can create business integrity issues.
Technical view
The issue is CWE-862 Missing Authorization in echoplugins echo-knowledge-base, affecting versions through 16.011.0. CVSS 3.1 is 4.3: network reachable, low complexity, low privileges required, no user interaction, unchanged scope, integrity low. Public sources do not provide exploit details or a confirmed fixed version.
Likely exposure
Exposure is limited to WordPress sites using the affected plugin at version 16.011.0 or earlier. The attacker model requires an authenticated low-privileged account, so sites allowing public registration or many contributors have higher practical risk.
Exploitation context
The source bundle does not indicate CISA KEV listing or active exploitation. The vulnerability is publicly listed by Patchstack and CVE, but available details are limited. Exploitation requires valid user credentials and targets authorization checks rather than unauthenticated compromise.
Researcher notes
Public evidence identifies missing authorization but does not describe affected endpoints, exploit workflow, or remediation version. Avoid assuming unauthenticated impact. Validate by version and by reviewing role/capability boundaries in a controlled environment without attempting unauthorized actions on production systems.
Mitigation direction
- Inventory WordPress sites for the echo-knowledge-base plugin.
- Identify installations running version 16.011.0 or earlier.
- Check the plugin vendor and Patchstack entry for fixed-version guidance.
- Limit plugin-related privileges to trusted administrators.
- Disable public user registration if it is not business-required.
- Monitor for unexpected knowledge base or plugin configuration changes.
Validation and detection
- Confirm plugin presence and version on each WordPress instance.
- Review user roles with access to knowledge base management functions.
- Check whether untrusted authenticated users exist on affected sites.
- Review logs for unauthorized content or settings changes.
- Track vendor advisories for a fixed release or mitigation details.
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-2026-25402 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
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.