Security readout for executives and security teams
Plain-English summary
CVE-2026-27055 is a broken access control issue in the WordPress Penci AI SmartContent Creator plugin through version 2.0. A logged-in user may be able to perform actions they should not be authorized to perform. The reported impact is limited to integrity, not data theft or service outage.
Executive priority
Treat this as a medium-priority WordPress plugin issue. It is not reported as actively exploited and requires login access, but affected public sites with many users should be reviewed promptly because unauthorized content or setting changes can create business and reputational risk.
Technical view
The issue is classified as CWE-862, Missing Authorization, in package penci-ai. CVSS 3.1 is 4.3: network reachable, low attack complexity, low privileges required, no user interaction, unchanged scope, low integrity impact, and no confidentiality or availability impact.
Likely exposure
Exposure is limited to WordPress sites using PenciDesign Penci AI SmartContent Creator plugin version 2.0 or earlier. The CVSS vector indicates an attacker needs a valid low-privileged account, reducing internet-wide unauthenticated risk but increasing concern for sites with open registration or many contributors.
Exploitation context
The provided sources do not indicate active exploitation, and the CVE is not marked as CISA KEV. No public exploit details are included in the source bundle. The practical risk depends on what unauthorized plugin action is reachable and the site’s user registration model.
Researcher notes
Evidence is limited to the CVE record and Patchstack database reference. The bundle does not name the exact vulnerable endpoint, action, nonce behavior, exploitability details, or a fixed version. Avoid assuming unauthenticated impact; CVSS states privileges are required.
Mitigation direction
- Inventory WordPress sites for the penci-ai plugin and installed version.
- Prioritize sites running Penci AI SmartContent Creator version 2.0 or earlier.
- Check PenciDesign, WordPress plugin, and Patchstack guidance for fixed versions or vendor workarounds.
- Restrict plugin access to trusted roles until vendor guidance is confirmed.
- Review whether public user registration is enabled on affected sites.
Validation and detection
- Confirm whether the plugin slug or package name is penci-ai.
- Record the installed plugin version from WordPress administration or asset inventory.
- Identify sites allowing subscriber, contributor, author, or customer logins.
- Review plugin role permissions for unexpected access to content-generation or administrative actions.
- Monitor WordPress logs for unusual authenticated plugin activity.
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-2026-27055 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
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.